31017636

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 85123584

約数和(自身を除く): 54105948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 191, 234, 347, 382, 468, 573, 694, 764, 1041, 1146, 1388, 1719, 2082, 2292, 2483, 3123, 3438, 4164, 4511, 4966, 6246, 6876, 7449, 9022, 9932, 12492, 13533, 14898, 18044, 22347, 27066, 29796, 40599, 44694, 54132, 66277, 81198, 89388, 132554, 162396, 198831, 265108, 397662, 596493, 795324, 861601, 1192986, 1723202, 2385972, 2584803, 3446404, 5169606, 7754409, 10339212, 15508818, 31017636]

約数ペア:

[(1, 31017636), (2, 15508818), (3, 10339212), (4, 7754409), (6, 5169606), (9, 3446404), (12, 2584803), (13, 2385972), (18, 1723202), (26, 1192986), (36, 861601), (39, 795324), (52, 596493), (78, 397662), (117, 265108), (156, 198831), (191, 162396), (234, 132554), (347, 89388), (382, 81198), (468, 66277), (573, 54132), (694, 44694), (764, 40599), (1041, 29796), (1146, 27066), (1388, 22347), (1719, 18044), (2082, 14898), (2292, 13533), (2483, 12492), (3123, 9932), (3438, 9022), (4164, 7449), (4511, 6876), (4966, 6246)]