2787393455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 4260695040

約数和(自身を除く): 1473301585

約数列:

[1, 5, 7, 11, 35, 55, 77, 97, 101, 385, 485, 505, 679, 707, 739, 1067, 1111, 3395, 3535, 3695, 5173, 5335, 5555, 7469, 7777, 8129, 9797, 25865, 37345, 38885, 40645, 48985, 56903, 68579, 71683, 74639, 107767, 284515, 342895, 358415, 373195, 501781, 522473, 538835, 754369, 788513, 821029, 2508905, 2612365, 3771845, 3942565, 4105145, 5519591, 5747203, 7239983, 27597955, 28736015, 36199915, 50679881, 79639813, 253399405, 398199065, 557478691, 2787393455]

約数ペア:

[(1, 2787393455), (5, 557478691), (7, 398199065), (11, 253399405), (35, 79639813), (55, 50679881), (77, 36199915), (97, 28736015), (101, 27597955), (385, 7239983), (485, 5747203), (505, 5519591), (679, 4105145), (707, 3942565), (739, 3771845), (1067, 2612365), (1111, 2508905), (3395, 821029), (3535, 788513), (3695, 754369), (5173, 538835), (5335, 522473), (5555, 501781), (7469, 373195), (7777, 358415), (8129, 342895), (9797, 284515), (25865, 107767), (37345, 74639), (38885, 71683), (40645, 68579), (48985, 56903)]