28106770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 53001216

約数和(自身を除く): 24894446

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1277, 2201, 2554, 4402, 6385, 11005, 12770, 22010, 39587, 79174, 90667, 181334, 197935, 395870, 453335, 906670, 2810677, 5621354, 14053385, 28106770]

約数ペア:

[(1, 28106770), (2, 14053385), (5, 5621354), (10, 2810677), (31, 906670), (62, 453335), (71, 395870), (142, 197935), (155, 181334), (310, 90667), (355, 79174), (710, 39587), (1277, 22010), (2201, 12770), (2554, 11005), (4402, 6385)]