388618005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{4283}}^1$

素因数の和:4577

約数の個数: 32

約数和(自身を含む): 651442176

約数和(自身を除く): 262824171

約数列:

[1, 3, 5, 15, 23, 69, 115, 263, 345, 789, 1315, 3945, 4283, 6049, 12849, 18147, 21415, 30245, 64245, 90735, 98509, 295527, 492545, 1126429, 1477635, 3379287, 5632145, 16896435, 25907867, 77723601, 129539335, 388618005]

約数ペア:

[(1, 388618005), (3, 129539335), (5, 77723601), (15, 25907867), (23, 16896435), (69, 5632145), (115, 3379287), (263, 1477635), (345, 1126429), (789, 492545), (1315, 295527), (3945, 98509), (4283, 90735), (6049, 64245), (12849, 30245), (18147, 21415)]