15129790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 29536416

約数和(自身を除く): 14406626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 643, 905, 1286, 1810, 2353, 3215, 4706, 6430, 8359, 11765, 16718, 23530, 41795, 83590, 116383, 232766, 581915, 1163830, 1512979, 3025958, 7564895, 15129790]

約数ペア:

[(1, 15129790), (2, 7564895), (5, 3025958), (10, 1512979), (13, 1163830), (26, 581915), (65, 232766), (130, 116383), (181, 83590), (362, 41795), (643, 23530), (905, 16718), (1286, 11765), (1810, 8359), (2353, 6430), (3215, 4706)]