31138458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 74172672

約数和(自身を除く): 43034214

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 1021, 1173, 1326, 1794, 2042, 2346, 3063, 5083, 6126, 10166, 13273, 15249, 17357, 23483, 26546, 30498, 34714, 39819, 46966, 52071, 70449, 79638, 104142, 140898, 225641, 305279, 399211, 451282, 610558, 676923, 798422, 915837, 1197633, 1353846, 1831674, 2395266, 5189743, 10379486, 15569229, 31138458]

約数ペア:

[(1, 31138458), (2, 15569229), (3, 10379486), (6, 5189743), (13, 2395266), (17, 1831674), (23, 1353846), (26, 1197633), (34, 915837), (39, 798422), (46, 676923), (51, 610558), (69, 451282), (78, 399211), (102, 305279), (138, 225641), (221, 140898), (299, 104142), (391, 79638), (442, 70449), (598, 52071), (663, 46966), (782, 39819), (897, 34714), (1021, 30498), (1173, 26546), (1326, 23483), (1794, 17357), (2042, 15249), (2346, 13273), (3063, 10166), (5083, 6126)]