15721994412

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{28123}}^1$

素因数の和:28479

約数の個数: 72

約数和(自身を含む): 40631192784

約数和(自身を除く): 24909198372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 293, 318, 477, 586, 636, 879, 954, 1172, 1758, 1908, 2637, 3516, 5274, 10548, 15529, 28123, 31058, 46587, 56246, 62116, 84369, 93174, 112492, 139761, 168738, 186348, 253107, 279522, 337476, 506214, 559044, 1012428, 1490519, 2981038, 4471557, 5962076, 8240039, 8943114, 13414671, 16480078, 17886228, 24720117, 26829342, 32960156, 49440234, 53658684, 74160351, 98880468, 148320702, 296641404, 436722067, 873444134, 1310166201, 1746888268, 2620332402, 3930498603, 5240664804, 7860997206, 15721994412]

約数ペア:

[(1, 15721994412), (2, 7860997206), (3, 5240664804), (4, 3930498603), (6, 2620332402), (9, 1746888268), (12, 1310166201), (18, 873444134), (36, 436722067), (53, 296641404), (106, 148320702), (159, 98880468), (212, 74160351), (293, 53658684), (318, 49440234), (477, 32960156), (586, 26829342), (636, 24720117), (879, 17886228), (954, 16480078), (1172, 13414671), (1758, 8943114), (1908, 8240039), (2637, 5962076), (3516, 4471557), (5274, 2981038), (10548, 1490519), (15529, 1012428), (28123, 559044), (31058, 506214), (46587, 337476), (56246, 279522), (62116, 253107), (84369, 186348), (93174, 168738), (112492, 139761)]