617984

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 40

約数和(自身を含む): 1325808

約数和(自身を除く): 707824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 256, 272, 284, 512, 544, 568, 1088, 1136, 1207, 2176, 2272, 2414, 4352, 4544, 4828, 8704, 9088, 9656, 18176, 19312, 36352, 38624, 77248, 154496, 308992, 617984]

約数ペア:

[(1, 617984), (2, 308992), (4, 154496), (8, 77248), (16, 38624), (17, 36352), (32, 19312), (34, 18176), (64, 9656), (68, 9088), (71, 8704), (128, 4828), (136, 4544), (142, 4352), (256, 2414), (272, 2272), (284, 2176), (512, 1207), (544, 1136), (568, 1088)]