16465990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 30650400

約数和(自身を除く): 14184410

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 257, 298, 430, 514, 745, 1285, 1490, 2570, 6407, 11051, 12814, 22102, 32035, 38293, 55255, 64070, 76586, 110510, 191465, 382930, 1646599, 3293198, 8232995, 16465990]

約数ペア:

[(1, 16465990), (2, 8232995), (5, 3293198), (10, 1646599), (43, 382930), (86, 191465), (149, 110510), (215, 76586), (257, 64070), (298, 55255), (430, 38293), (514, 32035), (745, 22102), (1285, 12814), (1490, 11051), (2570, 6407)]