421570208

素因数分解:

$2^5\times {\mathrm{659}}^1\times {\mathrm{19991}}^1$

素因数の和:20660

約数の個数: 24

約数和(自身を含む): 831267360

約数和(自身を除く): 409697152

約数列:

[1, 2, 4, 8, 16, 32, 659, 1318, 2636, 5272, 10544, 19991, 21088, 39982, 79964, 159928, 319856, 639712, 13174069, 26348138, 52696276, 105392552, 210785104, 421570208]

約数ペア:

[(1, 421570208), (2, 210785104), (4, 105392552), (8, 52696276), (16, 26348138), (32, 13174069), (659, 639712), (1318, 319856), (2636, 159928), (5272, 79964), (10544, 39982), (19991, 21088)]