668814708

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{20201}}^1$

素因数の和:20328

約数の個数: 48

約数和(自身を含む): 1629089280

約数和(自身を除く): 960274572

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 89, 93, 124, 178, 186, 267, 356, 372, 534, 1068, 2759, 5518, 8277, 11036, 16554, 20201, 33108, 40402, 60603, 80804, 121206, 242412, 626231, 1252462, 1797889, 1878693, 2504924, 3595778, 3757386, 5393667, 7191556, 7514772, 10787334, 21574668, 55734559, 111469118, 167203677, 222938236, 334407354, 668814708]

約数ペア:

[(1, 668814708), (2, 334407354), (3, 222938236), (4, 167203677), (6, 111469118), (12, 55734559), (31, 21574668), (62, 10787334), (89, 7514772), (93, 7191556), (124, 5393667), (178, 3757386), (186, 3595778), (267, 2504924), (356, 1878693), (372, 1797889), (534, 1252462), (1068, 626231), (2759, 242412), (5518, 121206), (8277, 80804), (11036, 60603), (16554, 40402), (20201, 33108)]