31208944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 39099056

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 149, 152, 208, 212, 247, 298, 304, 424, 494, 596, 689, 848, 988, 1007, 1192, 1378, 1937, 1976, 2014, 2384, 2756, 2831, 3874, 3952, 4028, 5512, 5662, 7748, 7897, 8056, 11024, 11324, 13091, 15496, 15794, 16112, 22648, 26182, 30992, 31588, 36803, 45296, 52364, 63176, 73606, 102661, 104728, 126352, 147212, 150043, 205322, 209456, 294424, 300086, 410644, 588848, 600172, 821288, 1200344, 1642576, 1950559, 2400688, 3901118, 7802236, 15604472, 31208944]

約数ペア:

[(1, 31208944), (2, 15604472), (4, 7802236), (8, 3901118), (13, 2400688), (16, 1950559), (19, 1642576), (26, 1200344), (38, 821288), (52, 600172), (53, 588848), (76, 410644), (104, 300086), (106, 294424), (149, 209456), (152, 205322), (208, 150043), (212, 147212), (247, 126352), (298, 104728), (304, 102661), (424, 73606), (494, 63176), (596, 52364), (689, 45296), (848, 36803), (988, 31588), (1007, 30992), (1192, 26182), (1378, 22648), (1937, 16112), (1976, 15794), (2014, 15496), (2384, 13091), (2756, 11324), (2831, 11024), (3874, 8056), (3952, 7897), (4028, 7748), (5512, 5662)]