81438672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242377}}^1$

素因数の和:242395

約数の個数: 40

約数和(自身を含む): 240438976

約数和(自身を除く): 159000304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242377, 484754, 727131, 969508, 1454262, 1696639, 1939016, 2908524, 3393278, 3878032, 5089917, 5817048, 6786556, 10179834, 11634096, 13573112, 20359668, 27146224, 40719336, 81438672]

約数ペア:

[(1, 81438672), (2, 40719336), (3, 27146224), (4, 20359668), (6, 13573112), (7, 11634096), (8, 10179834), (12, 6786556), (14, 5817048), (16, 5089917), (21, 3878032), (24, 3393278), (28, 2908524), (42, 1939016), (48, 1696639), (56, 1454262), (84, 969508), (112, 727131), (168, 484754), (336, 242377)]