7901028

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 21051576

約数和(自身を除く): 13150548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 101, 106, 123, 159, 164, 202, 212, 246, 303, 318, 369, 404, 477, 492, 606, 636, 738, 909, 954, 1212, 1476, 1818, 1908, 2173, 3636, 4141, 4346, 5353, 6519, 8282, 8692, 10706, 12423, 13038, 16059, 16564, 19557, 21412, 24846, 26076, 32118, 37269, 39114, 48177, 49692, 64236, 74538, 78228, 96354, 149076, 192708, 219473, 438946, 658419, 877892, 1316838, 1975257, 2633676, 3950514, 7901028]

約数ペア:

[(1, 7901028), (2, 3950514), (3, 2633676), (4, 1975257), (6, 1316838), (9, 877892), (12, 658419), (18, 438946), (36, 219473), (41, 192708), (53, 149076), (82, 96354), (101, 78228), (106, 74538), (123, 64236), (159, 49692), (164, 48177), (202, 39114), (212, 37269), (246, 32118), (303, 26076), (318, 24846), (369, 21412), (404, 19557), (477, 16564), (492, 16059), (606, 13038), (636, 12423), (738, 10706), (909, 8692), (954, 8282), (1212, 6519), (1476, 5353), (1818, 4346), (1908, 4141), (2173, 3636)]