720872068

素因数分解:

$2^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{40801}}^1$

素因数の和:41443

約数の個数: 24

約数和(自身を含む): 1444064384

約数和(自身を除く): 723192316

約数列:

[1, 2, 4, 7, 14, 28, 631, 1262, 2524, 4417, 8834, 17668, 40801, 81602, 163204, 285607, 571214, 1142428, 25745431, 51490862, 102981724, 180218017, 360436034, 720872068]

約数ペア:

[(1, 720872068), (2, 360436034), (4, 180218017), (7, 102981724), (14, 51490862), (28, 25745431), (631, 1142428), (1262, 571214), (2524, 285607), (4417, 163204), (8834, 81602), (17668, 40801)]