31481964

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2029}}^1$

素因数の和:2470

約数の個数: 36

約数和(自身を含む): 79803360

約数和(自身を除く): 48321396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1724, 2029, 2586, 3879, 4058, 5172, 6087, 7758, 8116, 12174, 15516, 18261, 24348, 36522, 73044, 874499, 1748998, 2623497, 3497996, 5246994, 7870491, 10493988, 15740982, 31481964]

約数ペア:

[(1, 31481964), (2, 15740982), (3, 10493988), (4, 7870491), (6, 5246994), (9, 3497996), (12, 2623497), (18, 1748998), (36, 874499), (431, 73044), (862, 36522), (1293, 24348), (1724, 18261), (2029, 15516), (2586, 12174), (3879, 8116), (4058, 7758), (5172, 6087)]