428919985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{757}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 580688640

約数和(自身を除く): 151768655

約数列:

[1, 5, 13, 23, 65, 115, 299, 379, 757, 1495, 1895, 3785, 4927, 8717, 9841, 17411, 24635, 43585, 49205, 87055, 113321, 226343, 286903, 566605, 1131715, 1434515, 3729739, 6598769, 18648695, 32993845, 85783997, 428919985]

約数ペア:

[(1, 428919985), (5, 85783997), (13, 32993845), (23, 18648695), (65, 6598769), (115, 3729739), (299, 1434515), (379, 1131715), (757, 566605), (1495, 286903), (1895, 226343), (3785, 113321), (4927, 87055), (8717, 49205), (9841, 43585), (17411, 24635)]