647206775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 890568000

約数和(自身を除く): 243361225

約数列:

[1, 5, 23, 25, 29, 37, 115, 145, 185, 575, 667, 725, 851, 925, 1049, 1073, 3335, 4255, 5245, 5365, 16675, 21275, 24127, 24679, 26225, 26825, 30421, 38813, 120635, 123395, 152105, 194065, 603175, 616975, 699683, 760525, 892699, 970325, 1125577, 3498415, 4463495, 5627885, 17492075, 22317475, 25888271, 28139425, 129441355, 647206775]

約数ペア:

[(1, 647206775), (5, 129441355), (23, 28139425), (25, 25888271), (29, 22317475), (37, 17492075), (115, 5627885), (145, 4463495), (185, 3498415), (575, 1125577), (667, 970325), (725, 892699), (851, 760525), (925, 699683), (1049, 616975), (1073, 603175), (3335, 194065), (4255, 152105), (5245, 123395), (5365, 120635), (16675, 38813), (21275, 30421), (24127, 26825), (24679, 26225)]