128176630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1321}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 239102208

約数和(自身を除く): 110925578

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 313, 626, 1321, 1565, 2642, 3130, 6605, 9703, 13210, 19406, 40951, 48515, 81902, 97030, 204755, 409510, 413473, 826946, 2067365, 4134730, 12817663, 25635326, 64088315, 128176630]

約数ペア:

[(1, 128176630), (2, 64088315), (5, 25635326), (10, 12817663), (31, 4134730), (62, 2067365), (155, 826946), (310, 413473), (313, 409510), (626, 204755), (1321, 97030), (1565, 81902), (2642, 48515), (3130, 40951), (6605, 19406), (9703, 13210)]