40490278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{991}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 62853120

約数和(自身を除く): 22362842

約数列:

[1, 2, 31, 62, 659, 991, 1318, 1982, 20429, 30721, 40858, 61442, 653069, 1306138, 20245139, 40490278]

約数ペア:

[(1, 40490278), (2, 20245139), (31, 1306138), (62, 653069), (659, 61442), (991, 40858), (1318, 30721), (1982, 20429)]