1283648

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 28

約数和(自身を含む): 2633472

約数和(自身を除く): 1349824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 647, 992, 1294, 1984, 2588, 5176, 10352, 20057, 20704, 40114, 41408, 80228, 160456, 320912, 641824, 1283648]

約数ペア:

[(1, 1283648), (2, 641824), (4, 320912), (8, 160456), (16, 80228), (31, 41408), (32, 40114), (62, 20704), (64, 20057), (124, 10352), (248, 5176), (496, 2588), (647, 1984), (992, 1294)]