407408545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 541313280

約数和(自身を除く): 133904735

約数列:

[1, 5, 19, 23, 95, 115, 137, 437, 685, 1361, 2185, 2603, 3151, 6805, 13015, 15755, 25859, 31303, 59869, 129295, 156515, 186457, 299345, 594757, 932285, 2973785, 3542683, 4288511, 17713415, 21442555, 81481709, 407408545]

約数ペア:

[(1, 407408545), (5, 81481709), (19, 21442555), (23, 17713415), (95, 4288511), (115, 3542683), (137, 2973785), (437, 932285), (685, 594757), (1361, 299345), (2185, 186457), (2603, 156515), (3151, 129295), (6805, 59869), (13015, 31303), (15755, 25859)]