391258982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2347}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 639031680

約数和(自身を除く): 247772698

約数列:

[1, 2, 19, 38, 41, 82, 107, 214, 779, 1558, 2033, 2347, 4066, 4387, 4694, 8774, 44593, 83353, 89186, 96227, 166706, 192454, 251129, 502258, 1828313, 3656626, 4771451, 9542902, 10296289, 20592578, 195629491, 391258982]

約数ペア:

[(1, 391258982), (2, 195629491), (19, 20592578), (38, 10296289), (41, 9542902), (82, 4771451), (107, 3656626), (214, 1828313), (779, 502258), (1558, 251129), (2033, 192454), (2347, 166706), (4066, 96227), (4387, 89186), (4694, 83353), (8774, 44593)]