644243968

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{74017}}^1$

素因数の和:74052

約数の個数: 40

約数和(自身を含む): 1362967452

約数和(自身を除く): 718723484

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 74017, 148034, 296068, 592136, 1184272, 1258289, 2368544, 2516578, 4737088, 5033156, 9474176, 10066312, 18948352, 20132624, 37896704, 40265248, 80530496, 161060992, 322121984, 644243968]

約数ペア:

[(1, 644243968), (2, 322121984), (4, 161060992), (8, 80530496), (16, 40265248), (17, 37896704), (32, 20132624), (34, 18948352), (64, 10066312), (68, 9474176), (128, 5033156), (136, 4737088), (256, 2516578), (272, 2368544), (512, 1258289), (544, 1184272), (1088, 592136), (2176, 296068), (4352, 148034), (8704, 74017)]