397164068

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20177}}^1$

素因数の和:20244

約数の個数: 48

約数和(自身を含む): 858775680

約数和(自身を除く): 461611612

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684, 20177, 40354, 80708, 141239, 282478, 383363, 564956, 746549, 766726, 1493098, 1533452, 2683541, 2986196, 5225843, 5367082, 10451686, 10734164, 14184431, 20903372, 28368862, 56737724, 99291017, 198582034, 397164068]

約数ペア:

[(1, 397164068), (2, 198582034), (4, 99291017), (7, 56737724), (14, 28368862), (19, 20903372), (28, 14184431), (37, 10734164), (38, 10451686), (74, 5367082), (76, 5225843), (133, 2986196), (148, 2683541), (259, 1533452), (266, 1493098), (518, 766726), (532, 746549), (703, 564956), (1036, 383363), (1406, 282478), (2812, 141239), (4921, 80708), (9842, 40354), (19684, 20177)]