728013785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1583}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 948879360

約数和(自身を除く): 220865575

約数列:

[1, 5, 19, 47, 95, 103, 235, 515, 893, 1583, 1957, 4465, 4841, 7915, 9785, 24205, 30077, 74401, 91979, 150385, 163049, 372005, 459895, 815245, 1413619, 3097931, 7068095, 7663303, 15489655, 38316515, 145602757, 728013785]

約数ペア:

[(1, 728013785), (5, 145602757), (19, 38316515), (47, 15489655), (95, 7663303), (103, 7068095), (235, 3097931), (515, 1413619), (893, 815245), (1583, 459895), (1957, 372005), (4465, 163049), (4841, 150385), (7915, 91979), (9785, 74401), (24205, 30077)]