31869890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3659}}^1$

素因数の和:3746

約数の個数: 32

約数和(自身を含む): 62717760

約数和(自身を除く): 30847870

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3659, 4355, 7318, 8710, 18295, 36590, 47567, 95134, 237835, 245153, 475670, 490306, 1225765, 2451530, 3186989, 6373978, 15934945, 31869890]

約数ペア:

[(1, 31869890), (2, 15934945), (5, 6373978), (10, 3186989), (13, 2451530), (26, 1225765), (65, 490306), (67, 475670), (130, 245153), (134, 237835), (335, 95134), (670, 47567), (871, 36590), (1742, 18295), (3659, 8710), (4355, 7318)]