1279241830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{129347}}^1$

素因数の和:129420

約数の個数: 32

約数和(自身を含む): 2458646784

約数和(自身を除く): 1179404954

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 129347, 258694, 646735, 1293470, 2974981, 5561921, 5949962, 11123842, 14874905, 27809605, 29749810, 55619210, 127924183, 255848366, 639620915, 1279241830]

約数ペア:

[(1, 1279241830), (2, 639620915), (5, 255848366), (10, 127924183), (23, 55619210), (43, 29749810), (46, 27809605), (86, 14874905), (115, 11123842), (215, 5949962), (230, 5561921), (430, 2974981), (989, 1293470), (1978, 646735), (4945, 258694), (9890, 129347)]