64229728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 134190000

約数和(自身を除く): 69960272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 596, 608, 709, 1192, 1418, 2384, 2831, 2836, 4768, 5662, 5672, 11324, 11344, 13471, 22648, 22688, 26942, 45296, 53884, 90592, 105641, 107768, 211282, 215536, 422564, 431072, 845128, 1690256, 2007179, 3380512, 4014358, 8028716, 16057432, 32114864, 64229728]

約数ペア:

[(1, 64229728), (2, 32114864), (4, 16057432), (8, 8028716), (16, 4014358), (19, 3380512), (32, 2007179), (38, 1690256), (76, 845128), (149, 431072), (152, 422564), (298, 215536), (304, 211282), (596, 107768), (608, 105641), (709, 90592), (1192, 53884), (1418, 45296), (2384, 26942), (2831, 22688), (2836, 22648), (4768, 13471), (5662, 11344), (5672, 11324)]