643880493494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{4345787}}^1$

素因数の和:4346372

約数の個数: 32

約数和(自身を含む): 1163975857920

約数和(自身を除く): 520095364426

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 557, 1114, 3899, 7798, 10583, 21166, 74081, 148162, 4345787, 8691574, 30420509, 60841018, 82569953, 165139906, 577989671, 1155979342, 2420603359, 4841206718, 16944223513, 33888447026, 45991463821, 91982927642, 321940246747, 643880493494]

約数ペア:

[(1, 643880493494), (2, 321940246747), (7, 91982927642), (14, 45991463821), (19, 33888447026), (38, 16944223513), (133, 4841206718), (266, 2420603359), (557, 1155979342), (1114, 577989671), (3899, 165139906), (7798, 82569953), (10583, 60841018), (21166, 30420509), (74081, 8691574), (148162, 4345787)]