251861428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1229}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 543876480

約数和(自身を除く): 292015052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 563, 1126, 1229, 2252, 2458, 3941, 4916, 7319, 7882, 8603, 14638, 15764, 15977, 17206, 29276, 31954, 34412, 51233, 63908, 102466, 111839, 204932, 223678, 447356, 691927, 1383854, 2767708, 4843489, 8995051, 9686978, 17990102, 19373956, 35980204, 62965357, 125930714, 251861428]

約数ペア:

[(1, 251861428), (2, 125930714), (4, 62965357), (7, 35980204), (13, 19373956), (14, 17990102), (26, 9686978), (28, 8995051), (52, 4843489), (91, 2767708), (182, 1383854), (364, 691927), (563, 447356), (1126, 223678), (1229, 204932), (2252, 111839), (2458, 102466), (3941, 63908), (4916, 51233), (7319, 34412), (7882, 31954), (8603, 29276), (14638, 17206), (15764, 15977)]