128865828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6211}}^1$

素因数の和:6257

約数の個数: 96

約数和(自身を含む): 389616640

約数和(自身を除く): 260750812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6211, 6916, 10374, 12422, 18633, 20748, 24844, 37266, 43477, 74532, 80743, 86954, 118009, 130431, 161486, 173908, 236018, 242229, 260862, 322972, 354027, 472036, 484458, 521724, 565201, 708054, 826063, 968916, 1130402, 1416108, 1534117, 1652126, 1695603, 2260804, 2478189, 3068234, 3304252, 3391206, 4602351, 4956378, 6136468, 6782412, 9204702, 9912756, 10738819, 18409404, 21477638, 32216457, 42955276, 64432914, 128865828]

約数ペア:

[(1, 128865828), (2, 64432914), (3, 42955276), (4, 32216457), (6, 21477638), (7, 18409404), (12, 10738819), (13, 9912756), (14, 9204702), (19, 6782412), (21, 6136468), (26, 4956378), (28, 4602351), (38, 3391206), (39, 3304252), (42, 3068234), (52, 2478189), (57, 2260804), (76, 1695603), (78, 1652126), (84, 1534117), (91, 1416108), (114, 1130402), (133, 968916), (156, 826063), (182, 708054), (228, 565201), (247, 521724), (266, 484458), (273, 472036), (364, 354027), (399, 322972), (494, 260862), (532, 242229), (546, 236018), (741, 173908), (798, 161486), (988, 130431), (1092, 118009), (1482, 86954), (1596, 80743), (1729, 74532), (2964, 43477), (3458, 37266), (5187, 24844), (6211, 20748), (6916, 18633), (10374, 12422)]