221902122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2463

約数の個数: 64

約数和(自身を含む): 513402624

約数和(自身を除く): 291500502

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 213, 221, 426, 442, 663, 923, 1207, 1326, 1846, 2357, 2414, 2769, 3621, 4714, 5538, 7071, 7242, 14142, 15691, 30641, 31382, 40069, 47073, 61282, 80138, 91923, 94146, 120207, 167347, 183846, 240414, 334694, 502041, 520897, 1004082, 1041794, 1562691, 2175511, 2844899, 3125382, 4351022, 5689798, 6526533, 8534697, 13053066, 17069394, 36983687, 73967374, 110951061, 221902122]

約数ペア:

[(1, 221902122), (2, 110951061), (3, 73967374), (6, 36983687), (13, 17069394), (17, 13053066), (26, 8534697), (34, 6526533), (39, 5689798), (51, 4351022), (71, 3125382), (78, 2844899), (102, 2175511), (142, 1562691), (213, 1041794), (221, 1004082), (426, 520897), (442, 502041), (663, 334694), (923, 240414), (1207, 183846), (1326, 167347), (1846, 120207), (2357, 94146), (2414, 91923), (2769, 80138), (3621, 61282), (4714, 47073), (5538, 40069), (7071, 31382), (7242, 30641), (14142, 15691)]