81611344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4523

約数の個数: 40

約数和(自身を含む): 167671808

約数和(自身を除く): 86060464

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 2294, 4447, 4588, 8894, 9176, 17788, 18352, 35576, 71152, 137857, 164539, 275714, 329078, 551428, 658156, 1102856, 1316312, 2205712, 2632624, 5100709, 10201418, 20402836, 40805672, 81611344]

約数ペア:

[(1, 81611344), (2, 40805672), (4, 20402836), (8, 10201418), (16, 5100709), (31, 2632624), (37, 2205712), (62, 1316312), (74, 1102856), (124, 658156), (148, 551428), (248, 329078), (296, 275714), (496, 164539), (592, 137857), (1147, 71152), (2294, 35576), (4447, 18352), (4588, 17788), (8894, 9176)]