215875686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 482017536

約数和(自身を除く): 266141850

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 131, 222, 262, 393, 481, 571, 786, 962, 1142, 1443, 1703, 1713, 2886, 3406, 3426, 4847, 5109, 7423, 9694, 10218, 14541, 14846, 21127, 22269, 29082, 42254, 44538, 63011, 63381, 74801, 126022, 126762, 149602, 189033, 224403, 274651, 378066, 448806, 549302, 823953, 972413, 1647906, 1944826, 2767637, 2917239, 5535274, 5834478, 8302911, 16605822, 35979281, 71958562, 107937843, 215875686]

約数ペア:

[(1, 215875686), (2, 107937843), (3, 71958562), (6, 35979281), (13, 16605822), (26, 8302911), (37, 5834478), (39, 5535274), (74, 2917239), (78, 2767637), (111, 1944826), (131, 1647906), (222, 972413), (262, 823953), (393, 549302), (481, 448806), (571, 378066), (786, 274651), (962, 224403), (1142, 189033), (1443, 149602), (1703, 126762), (1713, 126022), (2886, 74801), (3406, 63381), (3426, 63011), (4847, 44538), (5109, 42254), (7423, 29082), (9694, 22269), (10218, 21127), (14541, 14846)]