64214255

素因数分解:

$5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{751}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 90014400

約数和(自身を除く): 25800145

約数列:

[1, 5, 7, 35, 49, 245, 349, 751, 1745, 2443, 3755, 5257, 12215, 17101, 26285, 36799, 85505, 183995, 262099, 1310495, 1834693, 9173465, 12842851, 64214255]

約数ペア:

[(1, 64214255), (5, 12842851), (7, 9173465), (35, 1834693), (49, 1310495), (245, 262099), (349, 183995), (751, 85505), (1745, 36799), (2443, 26285), (3755, 17101), (5257, 12215)]