171938890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{6121}}^1$

素因数の和:6234

約数の個数: 24

約数和(自身を含む): 315491148

約数和(自身を除く): 143552258

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2809, 5618, 6121, 12242, 14045, 28090, 30605, 61210, 324413, 648826, 1622065, 3244130, 17193889, 34387778, 85969445, 171938890]

約数ペア:

[(1, 171938890), (2, 85969445), (5, 34387778), (10, 17193889), (53, 3244130), (106, 1622065), (265, 648826), (530, 324413), (2809, 61210), (5618, 30605), (6121, 28090), (12242, 14045)]