7777995876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{20563}}^1$

素因数の和:20678

約数の個数: 144

約数和(自身を含む): 23952947200

約数和(自身を除く): 16174951324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 79, 84, 114, 126, 133, 158, 171, 228, 237, 252, 266, 316, 342, 399, 474, 532, 553, 684, 711, 798, 948, 1106, 1197, 1422, 1501, 1596, 1659, 2212, 2394, 2844, 3002, 3318, 4503, 4788, 4977, 6004, 6636, 9006, 9954, 10507, 13509, 18012, 19908, 20563, 21014, 27018, 31521, 41126, 42028, 54036, 61689, 63042, 82252, 94563, 123378, 126084, 143941, 185067, 189126, 246756, 287882, 370134, 378252, 390697, 431823, 575764, 740268, 781394, 863646, 1172091, 1295469, 1562788, 1624477, 1727292, 2344182, 2590938, 2734879, 3248954, 3516273, 4688364, 4873431, 5181876, 5469758, 6497908, 7032546, 8204637, 9746862, 10939516, 11371339, 14065092, 14620293, 16409274, 19493724, 22742678, 24613911, 29240586, 30865063, 32818548, 34114017, 45485356, 49227822, 58481172, 61730126, 68228034, 92595189, 98455644, 102342051, 123460252, 136456068, 185190378, 204684102, 216055441, 277785567, 370380756, 409368204, 432110882, 555571134, 648166323, 864221764, 1111142268, 1296332646, 1944498969, 2592665292, 3888997938, 7777995876]

約数ペア:

[(1, 7777995876), (2, 3888997938), (3, 2592665292), (4, 1944498969), (6, 1296332646), (7, 1111142268), (9, 864221764), (12, 648166323), (14, 555571134), (18, 432110882), (19, 409368204), (21, 370380756), (28, 277785567), (36, 216055441), (38, 204684102), (42, 185190378), (57, 136456068), (63, 123460252), (76, 102342051), (79, 98455644), (84, 92595189), (114, 68228034), (126, 61730126), (133, 58481172), (158, 49227822), (171, 45485356), (228, 34114017), (237, 32818548), (252, 30865063), (266, 29240586), (316, 24613911), (342, 22742678), (399, 19493724), (474, 16409274), (532, 14620293), (553, 14065092), (684, 11371339), (711, 10939516), (798, 9746862), (948, 8204637), (1106, 7032546), (1197, 6497908), (1422, 5469758), (1501, 5181876), (1596, 4873431), (1659, 4688364), (2212, 3516273), (2394, 3248954), (2844, 2734879), (3002, 2590938), (3318, 2344182), (4503, 1727292), (4788, 1624477), (4977, 1562788), (6004, 1295469), (6636, 1172091), (9006, 863646), (9954, 781394), (10507, 740268), (13509, 575764), (18012, 431823), (19908, 390697), (20563, 378252), (21014, 370134), (27018, 287882), (31521, 246756), (41126, 189126), (42028, 185067), (54036, 143941), (61689, 126084), (63042, 123378), (82252, 94563)]