40263886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 67441248

約数和(自身を除く): 27177362

約数列:

[1, 2, 13, 26, 41, 82, 107, 214, 353, 533, 706, 1066, 1391, 2782, 4387, 4589, 8774, 9178, 14473, 28946, 37771, 57031, 75542, 114062, 188149, 376298, 491023, 982046, 1548611, 3097222, 20131943, 40263886]

約数ペア:

[(1, 40263886), (2, 20131943), (13, 3097222), (26, 1548611), (41, 982046), (82, 491023), (107, 376298), (214, 188149), (353, 114062), (533, 75542), (706, 57031), (1066, 37771), (1391, 28946), (2782, 14473), (4387, 9178), (4589, 8774)]