131849984

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 108

約数和(自身を含む): 320163984

約数和(自身を除く): 188314000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 322, 368, 392, 448, 457, 644, 736, 784, 896, 914, 1127, 1288, 1472, 1568, 1792, 1828, 2254, 2576, 2944, 3136, 3199, 3656, 4508, 5152, 5888, 6272, 6398, 7312, 9016, 10304, 10511, 12544, 12796, 14624, 18032, 20608, 21022, 22393, 25592, 29248, 36064, 41216, 42044, 44786, 51184, 58496, 72128, 73577, 84088, 89572, 102368, 116992, 144256, 147154, 168176, 179144, 204736, 288512, 294308, 336352, 358288, 409472, 515039, 588616, 672704, 716576, 818944, 1030078, 1177232, 1345408, 1433152, 2060156, 2354464, 2690816, 2866304, 4120312, 4708928, 5732608, 8240624, 9417856, 16481248, 18835712, 32962496, 65924992, 131849984]

約数ペア:

[(1, 131849984), (2, 65924992), (4, 32962496), (7, 18835712), (8, 16481248), (14, 9417856), (16, 8240624), (23, 5732608), (28, 4708928), (32, 4120312), (46, 2866304), (49, 2690816), (56, 2354464), (64, 2060156), (92, 1433152), (98, 1345408), (112, 1177232), (128, 1030078), (161, 818944), (184, 716576), (196, 672704), (224, 588616), (256, 515039), (322, 409472), (368, 358288), (392, 336352), (448, 294308), (457, 288512), (644, 204736), (736, 179144), (784, 168176), (896, 147154), (914, 144256), (1127, 116992), (1288, 102368), (1472, 89572), (1568, 84088), (1792, 73577), (1828, 72128), (2254, 58496), (2576, 51184), (2944, 44786), (3136, 42044), (3199, 41216), (3656, 36064), (4508, 29248), (5152, 25592), (5888, 22393), (6272, 21022), (6398, 20608), (7312, 18032), (9016, 14624), (10304, 12796), (10511, 12544)]