890659744

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1242

約数の個数: 72

約数和(自身を含む): 1912661100

約数和(自身を除く): 1022001356

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 169, 208, 314, 338, 416, 628, 676, 1049, 1256, 1352, 2041, 2098, 2512, 2704, 4082, 4196, 5024, 5408, 8164, 8392, 13637, 16328, 16784, 26533, 27274, 32656, 33568, 53066, 54548, 65312, 106132, 109096, 164693, 177281, 212264, 218192, 329386, 354562, 424528, 436384, 658772, 709124, 849056, 1317544, 1418248, 2141009, 2635088, 2836496, 4282018, 5270176, 5672992, 8564036, 17128072, 27833117, 34256144, 55666234, 68512288, 111332468, 222664936, 445329872, 890659744]

約数ペア:

[(1, 890659744), (2, 445329872), (4, 222664936), (8, 111332468), (13, 68512288), (16, 55666234), (26, 34256144), (32, 27833117), (52, 17128072), (104, 8564036), (157, 5672992), (169, 5270176), (208, 4282018), (314, 2836496), (338, 2635088), (416, 2141009), (628, 1418248), (676, 1317544), (1049, 849056), (1256, 709124), (1352, 658772), (2041, 436384), (2098, 424528), (2512, 354562), (2704, 329386), (4082, 218192), (4196, 212264), (5024, 177281), (5408, 164693), (8164, 109096), (8392, 106132), (13637, 65312), (16328, 54548), (16784, 53066), (26533, 33568), (27274, 32656)]