71997250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{22153}}^1$

素因数の和:22183

約数の個数: 32

約数和(自身を含む): 145153008

約数和(自身を除く): 73155758

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 22153, 44306, 110765, 221530, 287989, 553825, 575978, 1107650, 1439945, 2769125, 2879890, 5538250, 7199725, 14399450, 35998625, 71997250]

約数ペア:

[(1, 71997250), (2, 35998625), (5, 14399450), (10, 7199725), (13, 5538250), (25, 2879890), (26, 2769125), (50, 1439945), (65, 1107650), (125, 575978), (130, 553825), (250, 287989), (325, 221530), (650, 110765), (1625, 44306), (3250, 22153)]