81369456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242171}}^1$

素因数の和:242189

約数の個数: 40

約数和(自身を含む): 240234624

約数和(自身を除く): 158865168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242171, 484342, 726513, 968684, 1453026, 1695197, 1937368, 2906052, 3390394, 3874736, 5085591, 5812104, 6780788, 10171182, 11624208, 13561576, 20342364, 27123152, 40684728, 81369456]

約数ペア:

[(1, 81369456), (2, 40684728), (3, 27123152), (4, 20342364), (6, 13561576), (7, 11624208), (8, 10171182), (12, 6780788), (14, 5812104), (16, 5085591), (21, 3874736), (24, 3390394), (28, 2906052), (42, 1937368), (48, 1695197), (56, 1453026), (84, 968684), (112, 726513), (168, 484342), (336, 242171)]