199691830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1871}}^1$

素因数の和:2712

約数の個数: 32

約数和(自身を含む): 387773568

約数和(自身を除く): 188081738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 821, 1642, 1871, 3742, 4105, 8210, 9355, 10673, 18710, 21346, 24323, 48646, 53365, 106730, 121615, 243230, 1536091, 3072182, 7680455, 15360910, 19969183, 39938366, 99845915, 199691830]

約数ペア:

[(1, 199691830), (2, 99845915), (5, 39938366), (10, 19969183), (13, 15360910), (26, 7680455), (65, 3072182), (130, 1536091), (821, 243230), (1642, 121615), (1871, 106730), (3742, 53365), (4105, 48646), (8210, 24323), (9355, 21346), (10673, 18710)]