1903540145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{3607}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 2574899712

約数和(自身を除く): 671359567

約数列:

[1, 5, 13, 23, 65, 115, 299, 353, 1495, 1765, 3607, 4589, 8119, 18035, 22945, 40595, 46891, 82961, 105547, 234455, 414805, 527735, 1078493, 1273271, 5392465, 6366355, 16552523, 29285233, 82762615, 146426165, 380708029, 1903540145]

約数ペア:

[(1, 1903540145), (5, 380708029), (13, 146426165), (23, 82762615), (65, 29285233), (115, 16552523), (299, 6366355), (353, 5392465), (1495, 1273271), (1765, 1078493), (3607, 527735), (4589, 414805), (8119, 234455), (18035, 105547), (22945, 82961), (40595, 46891)]