209223528

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{20707}}^1$

素因数の和:21137

約数の個数: 32

約数和(自身を含む): 524326560

約数和(自身を除く): 315103032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 2526, 3368, 5052, 10104, 20707, 41414, 62121, 82828, 124242, 165656, 248484, 496968, 8717647, 17435294, 26152941, 34870588, 52305882, 69741176, 104611764, 209223528]

約数ペア:

[(1, 209223528), (2, 104611764), (3, 69741176), (4, 52305882), (6, 34870588), (8, 26152941), (12, 17435294), (24, 8717647), (421, 496968), (842, 248484), (1263, 165656), (1684, 124242), (2526, 82828), (3368, 62121), (5052, 41414), (10104, 20707)]