31811572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 63024192

約数和(自身を除く): 31212620

約数列:

[1, 2, 4, 13, 26, 41, 43, 52, 82, 86, 164, 172, 347, 533, 559, 694, 1066, 1118, 1388, 1763, 2132, 2236, 3526, 4511, 7052, 9022, 14227, 14921, 18044, 22919, 28454, 29842, 45838, 56908, 59684, 91676, 184951, 193973, 369902, 387946, 611761, 739804, 775892, 1223522, 2447044, 7952893, 15905786, 31811572]

約数ペア:

[(1, 31811572), (2, 15905786), (4, 7952893), (13, 2447044), (26, 1223522), (41, 775892), (43, 739804), (52, 611761), (82, 387946), (86, 369902), (164, 193973), (172, 184951), (347, 91676), (533, 59684), (559, 56908), (694, 45838), (1066, 29842), (1118, 28454), (1388, 22919), (1763, 18044), (2132, 14921), (2236, 14227), (3526, 9022), (4511, 7052)]