643437056

素因数分解:

$2^9\times {\mathrm{659}}^1\times {\mathrm{1907}}^1$

素因数の和:2584

約数の個数: 40

約数和(自身を含む): 1288243440

約数和(自身を除く): 644806384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 659, 1318, 1907, 2636, 3814, 5272, 7628, 10544, 15256, 21088, 30512, 42176, 61024, 84352, 122048, 168704, 244096, 337408, 488192, 976384, 1256713, 2513426, 5026852, 10053704, 20107408, 40214816, 80429632, 160859264, 321718528, 643437056]

約数ペア:

[(1, 643437056), (2, 321718528), (4, 160859264), (8, 80429632), (16, 40214816), (32, 20107408), (64, 10053704), (128, 5026852), (256, 2513426), (512, 1256713), (659, 976384), (1318, 488192), (1907, 337408), (2636, 244096), (3814, 168704), (5272, 122048), (7628, 84352), (10544, 61024), (15256, 42176), (21088, 30512)]