221520688

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{16231}}^1$

素因数の和:17092

約数の個数: 20

約数和(自身を含む): 429725968

約数和(自身を除く): 208205280

約数列:

[1, 2, 4, 8, 16, 853, 1706, 3412, 6824, 13648, 16231, 32462, 64924, 129848, 259696, 13845043, 27690086, 55380172, 110760344, 221520688]

約数ペア:

[(1, 221520688), (2, 110760344), (4, 55380172), (8, 27690086), (16, 13845043), (853, 259696), (1706, 129848), (3412, 64924), (6824, 32462), (13648, 16231)]