217872354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 553328640

約数和(自身を除く): 335456286

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 47, 57, 74, 94, 111, 114, 133, 141, 157, 222, 259, 266, 282, 314, 329, 399, 471, 518, 658, 703, 777, 798, 893, 942, 987, 1099, 1406, 1554, 1739, 1786, 1974, 2109, 2198, 2679, 2983, 3297, 3478, 4218, 4921, 5217, 5358, 5809, 5966, 6251, 6594, 7379, 8949, 9842, 10434, 11618, 12173, 12502, 14758, 14763, 17427, 17898, 18753, 20881, 22137, 24346, 29526, 33041, 34854, 36519, 37506, 40663, 41762, 44274, 51653, 62643, 66082, 73038, 81326, 99123, 103306, 110371, 121989, 125286, 140201, 154959, 198246, 220742, 231287, 243978, 273023, 280402, 309918, 331113, 420603, 462574, 546046, 662226, 693861, 772597, 819069, 841206, 981407, 1387722, 1545194, 1638138, 1911161, 1962814, 2317791, 2944221, 3822322, 4635582, 5187437, 5733483, 5888442, 10374874, 11466966, 15562311, 31124622, 36312059, 72624118, 108936177, 217872354]

約数ペア:

[(1, 217872354), (2, 108936177), (3, 72624118), (6, 36312059), (7, 31124622), (14, 15562311), (19, 11466966), (21, 10374874), (37, 5888442), (38, 5733483), (42, 5187437), (47, 4635582), (57, 3822322), (74, 2944221), (94, 2317791), (111, 1962814), (114, 1911161), (133, 1638138), (141, 1545194), (157, 1387722), (222, 981407), (259, 841206), (266, 819069), (282, 772597), (314, 693861), (329, 662226), (399, 546046), (471, 462574), (518, 420603), (658, 331113), (703, 309918), (777, 280402), (798, 273023), (893, 243978), (942, 231287), (987, 220742), (1099, 198246), (1406, 154959), (1554, 140201), (1739, 125286), (1786, 121989), (1974, 110371), (2109, 103306), (2198, 99123), (2679, 81326), (2983, 73038), (3297, 66082), (3478, 62643), (4218, 51653), (4921, 44274), (5217, 41762), (5358, 40663), (5809, 37506), (5966, 36519), (6251, 34854), (6594, 33041), (7379, 29526), (8949, 24346), (9842, 22137), (10434, 20881), (11618, 18753), (12173, 17898), (12502, 17427), (14758, 14763)]