661185168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1967813}}^1$

素因数の和:1967831

約数の個数: 40

約数和(自身を含む): 1952071488

約数和(自身を除く): 1290886320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1967813, 3935626, 5903439, 7871252, 11806878, 13774691, 15742504, 23613756, 27549382, 31485008, 41324073, 47227512, 55098764, 82648146, 94455024, 110197528, 165296292, 220395056, 330592584, 661185168]

約数ペア:

[(1, 661185168), (2, 330592584), (3, 220395056), (4, 165296292), (6, 110197528), (7, 94455024), (8, 82648146), (12, 55098764), (14, 47227512), (16, 41324073), (21, 31485008), (24, 27549382), (28, 23613756), (42, 15742504), (48, 13774691), (56, 11806878), (84, 7871252), (112, 5903439), (168, 3935626), (336, 1967813)]