81717384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 234253440

約数和(自身を除く): 152536056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 401, 802, 1203, 1213, 1604, 2406, 2426, 2807, 3208, 3639, 4812, 4852, 5614, 7278, 8421, 8491, 9624, 9704, 11228, 14556, 16842, 16982, 22456, 25473, 29112, 33684, 33964, 50946, 67368, 67928, 101892, 203784, 486413, 972826, 1459239, 1945652, 2918478, 3404891, 3891304, 5836956, 6809782, 10214673, 11673912, 13619564, 20429346, 27239128, 40858692, 81717384]

約数ペア:

[(1, 81717384), (2, 40858692), (3, 27239128), (4, 20429346), (6, 13619564), (7, 11673912), (8, 10214673), (12, 6809782), (14, 5836956), (21, 3891304), (24, 3404891), (28, 2918478), (42, 1945652), (56, 1459239), (84, 972826), (168, 486413), (401, 203784), (802, 101892), (1203, 67928), (1213, 67368), (1604, 50946), (2406, 33964), (2426, 33684), (2807, 29112), (3208, 25473), (3639, 22456), (4812, 16982), (4852, 16842), (5614, 14556), (7278, 11228), (8421, 9704), (8491, 9624)]