221638716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15277}}^1$

素因数の和:15331

約数の個数: 72

約数和(自身を含む): 622853504

約数和(自身を除く): 401214788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15277, 30554, 45831, 61108, 91662, 137493, 183324, 198601, 274986, 397202, 473587, 549972, 595803, 794404, 947174, 1191606, 1420761, 1787409, 1894348, 2383212, 2841522, 3574818, 4262283, 5683044, 6156631, 7149636, 8524566, 12313262, 17049132, 18469893, 24626524, 36939786, 55409679, 73879572, 110819358, 221638716]

約数ペア:

[(1, 221638716), (2, 110819358), (3, 73879572), (4, 55409679), (6, 36939786), (9, 24626524), (12, 18469893), (13, 17049132), (18, 12313262), (26, 8524566), (31, 7149636), (36, 6156631), (39, 5683044), (52, 4262283), (62, 3574818), (78, 2841522), (93, 2383212), (117, 1894348), (124, 1787409), (156, 1420761), (186, 1191606), (234, 947174), (279, 794404), (372, 595803), (403, 549972), (468, 473587), (558, 397202), (806, 274986), (1116, 198601), (1209, 183324), (1612, 137493), (2418, 91662), (3627, 61108), (4836, 45831), (7254, 30554), (14508, 15277)]