15978170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 31343760

約数和(自身を除く): 15365590

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1381, 2314, 2762, 5785, 6905, 11570, 13810, 17953, 35906, 89765, 122909, 179530, 245818, 614545, 1229090, 1597817, 3195634, 7989085, 15978170]

約数ペア:

[(1, 15978170), (2, 7989085), (5, 3195634), (10, 1597817), (13, 1229090), (26, 614545), (65, 245818), (89, 179530), (130, 122909), (178, 89765), (445, 35906), (890, 17953), (1157, 13810), (1381, 11570), (2314, 6905), (2762, 5785)]