2913507121825

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{68993}}^1$

素因数の和:69754

約数の個数: 48

約数和(自身を含む): 3768556046976

約数和(自身を除く): 855048925151

約数列:

[1, 5, 25, 37, 71, 185, 355, 643, 925, 1775, 2627, 3215, 13135, 16075, 23791, 45653, 65675, 68993, 118955, 228265, 344965, 594775, 1141325, 1689161, 1724825, 2552741, 4898503, 8445805, 12763705, 24492515, 42229025, 44362499, 63818525, 122462575, 181244611, 221812495, 906223055, 1109062475, 1641412463, 3149737429, 4531115275, 8207062315, 15748687145, 41035311575, 78743435725, 116540284873, 582701424365, 2913507121825]

約数ペア:

[(1, 2913507121825), (5, 582701424365), (25, 116540284873), (37, 78743435725), (71, 41035311575), (185, 15748687145), (355, 8207062315), (643, 4531115275), (925, 3149737429), (1775, 1641412463), (2627, 1109062475), (3215, 906223055), (13135, 221812495), (16075, 181244611), (23791, 122462575), (45653, 63818525), (65675, 44362499), (68993, 42229025), (118955, 24492515), (228265, 12763705), (344965, 8445805), (594775, 4898503), (1141325, 2552741), (1689161, 1724825)]