313474768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{1049}}^1$

素因数の和:2059

約数の個数: 40

約数和(自身を含む): 640584000

約数和(自身を除く): 327109232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 983, 1049, 1966, 2098, 3932, 4196, 7864, 8392, 15728, 16784, 18677, 19931, 37354, 39862, 74708, 79724, 149416, 159448, 298832, 318896, 1031167, 2062334, 4124668, 8249336, 16498672, 19592173, 39184346, 78368692, 156737384, 313474768]

約数ペア:

[(1, 313474768), (2, 156737384), (4, 78368692), (8, 39184346), (16, 19592173), (19, 16498672), (38, 8249336), (76, 4124668), (152, 2062334), (304, 1031167), (983, 318896), (1049, 298832), (1966, 159448), (2098, 149416), (3932, 79724), (4196, 74708), (7864, 39862), (8392, 37354), (15728, 19931), (16784, 18677)]