645947998

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 1013523840

約数和(自身を除く): 367575842

約数列:

[1, 2, 37, 74, 83, 166, 251, 419, 502, 838, 3071, 6142, 9287, 15503, 18574, 20833, 31006, 34777, 41666, 69554, 105169, 210338, 770821, 1286749, 1541642, 2573498, 3891253, 7782506, 8729027, 17458054, 322973999, 645947998]

約数ペア:

[(1, 645947998), (2, 322973999), (37, 17458054), (74, 8729027), (83, 7782506), (166, 3891253), (251, 2573498), (419, 1541642), (502, 1286749), (838, 770821), (3071, 210338), (6142, 105169), (9287, 69554), (15503, 41666), (18574, 34777), (20833, 31006)]