644861476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{19081}}^1$

素因数の和:19180

約数の個数: 48

約数和(自身を含む): 1384895232

約数和(自身を除く): 740033756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 994, 1207, 1988, 2414, 4828, 8449, 16898, 19081, 33796, 38162, 76324, 133567, 267134, 324377, 534268, 648754, 1297508, 1354751, 2270639, 2709502, 4541278, 5419004, 9082556, 9483257, 18966514, 23030767, 37933028, 46061534, 92123068, 161215369, 322430738, 644861476]

約数ペア:

[(1, 644861476), (2, 322430738), (4, 161215369), (7, 92123068), (14, 46061534), (17, 37933028), (28, 23030767), (34, 18966514), (68, 9483257), (71, 9082556), (119, 5419004), (142, 4541278), (238, 2709502), (284, 2270639), (476, 1354751), (497, 1297508), (994, 648754), (1207, 534268), (1988, 324377), (2414, 267134), (4828, 133567), (8449, 76324), (16898, 38162), (19081, 33796)]