1991997072

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{3049}}^1$

素因数の和:3425

約数の個数: 120

約数和(自身を含む): 6022835000

約数和(自身を除く): 4030837928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 349, 468, 624, 698, 936, 1047, 1396, 1872, 2094, 2792, 3049, 3141, 4188, 4537, 5584, 6098, 6282, 8376, 9074, 9147, 12196, 12564, 13611, 16752, 18148, 18294, 24392, 25128, 27222, 27441, 36296, 36588, 39637, 40833, 48784, 50256, 54444, 54882, 72592, 73176, 79274, 81666, 108888, 109764, 118911, 146352, 158548, 163332, 217776, 219528, 237822, 317096, 326664, 356733, 439056, 475644, 634192, 653328, 713466, 951288, 1064101, 1426932, 1902576, 2128202, 2853864, 3192303, 4256404, 5707728, 6384606, 8512808, 9576909, 12769212, 13833313, 17025616, 19153818, 25538424, 27666626, 38307636, 41499939, 51076848, 55333252, 76615272, 82999878, 110666504, 124499817, 153230544, 165999756, 221333008, 248999634, 331999512, 497999268, 663999024, 995998536, 1991997072]

約数ペア:

[(1, 1991997072), (2, 995998536), (3, 663999024), (4, 497999268), (6, 331999512), (8, 248999634), (9, 221333008), (12, 165999756), (13, 153230544), (16, 124499817), (18, 110666504), (24, 82999878), (26, 76615272), (36, 55333252), (39, 51076848), (48, 41499939), (52, 38307636), (72, 27666626), (78, 25538424), (104, 19153818), (117, 17025616), (144, 13833313), (156, 12769212), (208, 9576909), (234, 8512808), (312, 6384606), (349, 5707728), (468, 4256404), (624, 3192303), (698, 2853864), (936, 2128202), (1047, 1902576), (1396, 1426932), (1872, 1064101), (2094, 951288), (2792, 713466), (3049, 653328), (3141, 634192), (4188, 475644), (4537, 439056), (5584, 356733), (6098, 326664), (6282, 317096), (8376, 237822), (9074, 219528), (9147, 217776), (12196, 163332), (12564, 158548), (13611, 146352), (16752, 118911), (18148, 109764), (18294, 108888), (24392, 81666), (25128, 79274), (27222, 73176), (27441, 72592), (36296, 54882), (36588, 54444), (39637, 50256), (40833, 48784)]