72345013

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 20

約数和(自身を含む): 83540700

約数和(自身を除く): 11195687

約数列:

[1, 13, 17, 149, 169, 221, 1937, 2197, 2533, 2873, 25181, 28561, 32929, 37349, 327353, 428077, 485537, 4255589, 5565001, 72345013]

約数ペア:

[(1, 72345013), (13, 5565001), (17, 4255589), (149, 485537), (169, 428077), (221, 327353), (1937, 37349), (2197, 32929), (2533, 28561), (2873, 25181)]