71553580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16487}}^1$

素因数の和:16534

約数の個数: 48

約数和(自身を含む): 177278976

約数和(自身を除く): 105725396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16487, 32974, 65948, 82435, 115409, 164870, 230818, 329740, 461636, 511097, 577045, 1022194, 1154090, 2044388, 2308180, 2555485, 3577679, 5110970, 7155358, 10221940, 14310716, 17888395, 35776790, 71553580]

約数ペア:

[(1, 71553580), (2, 35776790), (4, 17888395), (5, 14310716), (7, 10221940), (10, 7155358), (14, 5110970), (20, 3577679), (28, 2555485), (31, 2308180), (35, 2044388), (62, 1154090), (70, 1022194), (124, 577045), (140, 511097), (155, 461636), (217, 329740), (310, 230818), (434, 164870), (620, 115409), (868, 82435), (1085, 65948), (2170, 32974), (4340, 16487)]