31941468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 87783696

約数和(自身を除く): 55842228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 521, 524, 786, 1042, 1179, 1563, 1572, 1703, 2084, 2358, 3126, 3406, 4689, 4716, 5109, 6252, 6773, 6812, 9378, 10218, 13546, 15327, 18756, 20319, 20436, 27092, 30654, 40638, 60957, 61308, 68251, 81276, 121914, 136502, 204753, 243828, 273004, 409506, 614259, 819012, 887263, 1228518, 1774526, 2457036, 2661789, 3549052, 5323578, 7985367, 10647156, 15970734, 31941468]

約数ペア:

[(1, 31941468), (2, 15970734), (3, 10647156), (4, 7985367), (6, 5323578), (9, 3549052), (12, 2661789), (13, 2457036), (18, 1774526), (26, 1228518), (36, 887263), (39, 819012), (52, 614259), (78, 409506), (117, 273004), (131, 243828), (156, 204753), (234, 136502), (262, 121914), (393, 81276), (468, 68251), (521, 61308), (524, 60957), (786, 40638), (1042, 30654), (1179, 27092), (1563, 20436), (1572, 20319), (1703, 18756), (2084, 15327), (2358, 13546), (3126, 10218), (3406, 9378), (4689, 6812), (4716, 6773), (5109, 6252)]