131014808

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 271814400

約数和(自身を除く): 140799592

約数列:

[1, 2, 4, 8, 23, 29, 43, 46, 58, 86, 92, 116, 172, 184, 232, 344, 571, 667, 989, 1142, 1247, 1334, 1978, 2284, 2494, 2668, 3956, 4568, 4988, 5336, 7912, 9976, 13133, 16559, 24553, 26266, 28681, 33118, 49106, 52532, 57362, 66236, 98212, 105064, 114724, 132472, 196424, 229448, 380857, 564719, 712037, 761714, 1129438, 1424074, 1523428, 2258876, 2848148, 3046856, 4517752, 5696296, 16376851, 32753702, 65507404, 131014808]

約数ペア:

[(1, 131014808), (2, 65507404), (4, 32753702), (8, 16376851), (23, 5696296), (29, 4517752), (43, 3046856), (46, 2848148), (58, 2258876), (86, 1523428), (92, 1424074), (116, 1129438), (172, 761714), (184, 712037), (232, 564719), (344, 380857), (571, 229448), (667, 196424), (989, 132472), (1142, 114724), (1247, 105064), (1334, 98212), (1978, 66236), (2284, 57362), (2494, 52532), (2668, 49106), (3956, 33118), (4568, 28681), (4988, 26266), (5336, 24553), (7912, 16559), (9976, 13133)]