12973740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16658

約数の個数: 48

約数和(自身を含む): 39123168

約数和(自身を除く): 26149428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16633, 33266, 49899, 66532, 83165, 99798, 166330, 199596, 216229, 249495, 332660, 432458, 498990, 648687, 864916, 997980, 1081145, 1297374, 2162290, 2594748, 3243435, 4324580, 6486870, 12973740]

約数ペア:

[(1, 12973740), (2, 6486870), (3, 4324580), (4, 3243435), (5, 2594748), (6, 2162290), (10, 1297374), (12, 1081145), (13, 997980), (15, 864916), (20, 648687), (26, 498990), (30, 432458), (39, 332660), (52, 249495), (60, 216229), (65, 199596), (78, 166330), (130, 99798), (156, 83165), (195, 66532), (260, 49899), (390, 33266), (780, 16633)]