9898751525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{2243}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 13618961664

約数和(自身を除く): 3720210139

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 367, 481, 925, 1835, 2243, 2405, 4771, 9175, 11215, 12025, 13579, 23855, 29159, 56075, 67895, 82991, 119275, 145795, 176527, 339475, 414955, 728975, 823181, 882635, 1078883, 2074775, 4115905, 4413175, 5394415, 10701353, 20579525, 26972075, 30457697, 53506765, 152288485, 267533825, 395950061, 761442425, 1979750305, 9898751525]

約数ペア:

[(1, 9898751525), (5, 1979750305), (13, 761442425), (25, 395950061), (37, 267533825), (65, 152288485), (185, 53506765), (325, 30457697), (367, 26972075), (481, 20579525), (925, 10701353), (1835, 5394415), (2243, 4413175), (2405, 4115905), (4771, 2074775), (9175, 1078883), (11215, 882635), (12025, 823181), (13579, 728975), (23855, 414955), (29159, 339475), (56075, 176527), (67895, 145795), (82991, 119275)]