31477892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 60170880

約数和(自身を除く): 28692988

約数列:

[1, 2, 4, 23, 43, 46, 73, 86, 92, 109, 146, 172, 218, 292, 436, 989, 1679, 1978, 2507, 3139, 3358, 3956, 4687, 5014, 6278, 6716, 7957, 9374, 10028, 12556, 15914, 18748, 31828, 72197, 107801, 144394, 183011, 215602, 288788, 342151, 366022, 431204, 684302, 732044, 1368604, 7869473, 15738946, 31477892]

約数ペア:

[(1, 31477892), (2, 15738946), (4, 7869473), (23, 1368604), (43, 732044), (46, 684302), (73, 431204), (86, 366022), (92, 342151), (109, 288788), (146, 215602), (172, 183011), (218, 144394), (292, 107801), (436, 72197), (989, 31828), (1679, 18748), (1978, 15914), (2507, 12556), (3139, 10028), (3358, 9374), (3956, 7957), (4687, 6716), (5014, 6278)]