81972570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12253}}^1$

素因数の和:12486

約数の個数: 32

約数和(自身を含む): 197632512

約数和(自身を除く): 115659942

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3345, 6690, 12253, 24506, 36759, 61265, 73518, 122530, 183795, 367590, 2732419, 5464838, 8197257, 13662095, 16394514, 27324190, 40986285, 81972570]

約数ペア:

[(1, 81972570), (2, 40986285), (3, 27324190), (5, 16394514), (6, 13662095), (10, 8197257), (15, 5464838), (30, 2732419), (223, 367590), (446, 183795), (669, 122530), (1115, 73518), (1338, 61265), (2230, 36759), (3345, 24506), (6690, 12253)]