8120538

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 18406440

約数和(自身を除く): 10285902

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 89, 111, 137, 178, 222, 267, 274, 333, 411, 534, 666, 801, 822, 1233, 1602, 2466, 3293, 5069, 6586, 9879, 10138, 12193, 15207, 19758, 24386, 29637, 30414, 36579, 45621, 59274, 73158, 91242, 109737, 219474, 451141, 902282, 1353423, 2706846, 4060269, 8120538]

約数ペア:

[(1, 8120538), (2, 4060269), (3, 2706846), (6, 1353423), (9, 902282), (18, 451141), (37, 219474), (74, 109737), (89, 91242), (111, 73158), (137, 59274), (178, 45621), (222, 36579), (267, 30414), (274, 29637), (333, 24386), (411, 19758), (534, 15207), (666, 12193), (801, 10138), (822, 9879), (1233, 6586), (1602, 5069), (2466, 3293)]