1427305825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 2033548416

約数和(自身を除く): 606242591

約数列:

[1, 5, 11, 23, 25, 55, 113, 115, 253, 275, 565, 575, 1243, 1265, 1997, 2599, 2825, 6215, 6325, 9985, 12995, 21967, 28589, 31075, 45931, 49925, 64975, 109835, 142945, 225661, 229655, 505241, 549175, 714725, 1128305, 1148275, 2482271, 2526205, 5190203, 5641525, 12411355, 12631025, 25951015, 57092233, 62056775, 129755075, 285461165, 1427305825]

約数ペア:

[(1, 1427305825), (5, 285461165), (11, 129755075), (23, 62056775), (25, 57092233), (55, 25951015), (113, 12631025), (115, 12411355), (253, 5641525), (275, 5190203), (565, 2526205), (575, 2482271), (1243, 1148275), (1265, 1128305), (1997, 714725), (2599, 549175), (2825, 505241), (6215, 229655), (6325, 225661), (9985, 142945), (12995, 109835), (21967, 64975), (28589, 49925), (31075, 45931)]