420121052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3299}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 827904000

約数和(自身を除く): 407782948

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 79, 124, 158, 316, 403, 806, 1027, 1612, 2054, 2449, 3299, 4108, 4898, 6598, 9796, 13196, 31837, 42887, 63674, 85774, 102269, 127348, 171548, 204538, 260621, 409076, 521242, 1042484, 1329497, 2658994, 3388073, 5317988, 6776146, 8079251, 13552292, 16158502, 32317004, 105030263, 210060526, 420121052]

約数ペア:

[(1, 420121052), (2, 210060526), (4, 105030263), (13, 32317004), (26, 16158502), (31, 13552292), (52, 8079251), (62, 6776146), (79, 5317988), (124, 3388073), (158, 2658994), (316, 1329497), (403, 1042484), (806, 521242), (1027, 409076), (1612, 260621), (2054, 204538), (2449, 171548), (3299, 127348), (4108, 102269), (4898, 85774), (6598, 63674), (9796, 42887), (13196, 31837)]