31871224

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 76953600

約数和(自身を除く): 45082376

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1364, 1669, 1736, 2387, 2728, 3338, 4774, 6676, 9548, 11683, 13352, 18359, 19096, 23366, 36718, 46732, 51739, 73436, 93464, 103478, 128513, 146872, 206956, 257026, 362173, 413912, 514052, 569129, 724346, 1028104, 1138258, 1448692, 2276516, 2897384, 3983903, 4553032, 7967806, 15935612, 31871224]

約数ペア:

[(1, 31871224), (2, 15935612), (4, 7967806), (7, 4553032), (8, 3983903), (11, 2897384), (14, 2276516), (22, 1448692), (28, 1138258), (31, 1028104), (44, 724346), (56, 569129), (62, 514052), (77, 413912), (88, 362173), (124, 257026), (154, 206956), (217, 146872), (248, 128513), (308, 103478), (341, 93464), (434, 73436), (616, 51739), (682, 46732), (868, 36718), (1364, 23366), (1669, 19096), (1736, 18359), (2387, 13352), (2728, 11683), (3338, 9548), (4774, 6676)]