72057895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 113541120

約数和(自身を除く): 41483225

約数列:

[1, 5, 7, 13, 29, 35, 43, 65, 91, 127, 145, 203, 215, 301, 377, 455, 559, 635, 889, 1015, 1247, 1505, 1651, 1885, 2639, 2795, 3683, 3913, 4445, 5461, 6235, 8255, 8729, 11557, 13195, 16211, 18415, 19565, 25781, 27305, 38227, 43645, 47879, 57785, 70993, 81055, 113477, 128905, 158369, 191135, 239395, 335153, 354965, 496951, 567385, 791845, 1108583, 1675765, 2058797, 2484755, 5542915, 10293985, 14411579, 72057895]

約数ペア:

[(1, 72057895), (5, 14411579), (7, 10293985), (13, 5542915), (29, 2484755), (35, 2058797), (43, 1675765), (65, 1108583), (91, 791845), (127, 567385), (145, 496951), (203, 354965), (215, 335153), (301, 239395), (377, 191135), (455, 158369), (559, 128905), (635, 113477), (889, 81055), (1015, 70993), (1247, 57785), (1505, 47879), (1651, 43645), (1885, 38227), (2639, 27305), (2795, 25781), (3683, 19565), (3913, 18415), (4445, 16211), (5461, 13195), (6235, 11557), (8255, 8729)]