219820816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 437734880

約数和(自身を除く): 217914064

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 283, 344, 566, 688, 1129, 1132, 2258, 2264, 4516, 4528, 9032, 12169, 18064, 24338, 48547, 48676, 97094, 97352, 194188, 194704, 319507, 388376, 639014, 776752, 1278028, 2556056, 5112112, 13738801, 27477602, 54955204, 109910408, 219820816]

約数ペア:

[(1, 219820816), (2, 109910408), (4, 54955204), (8, 27477602), (16, 13738801), (43, 5112112), (86, 2556056), (172, 1278028), (283, 776752), (344, 639014), (566, 388376), (688, 319507), (1129, 194704), (1132, 194188), (2258, 97352), (2264, 97094), (4516, 48676), (4528, 48547), (9032, 24338), (12169, 18064)]