221520306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 520224768

約数和(自身を除く): 298704462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 293, 329, 383, 586, 658, 766, 879, 987, 1149, 1758, 1974, 2051, 2298, 2681, 4102, 5362, 6153, 8043, 12306, 13771, 16086, 18001, 27542, 36002, 41313, 54003, 82626, 96397, 108006, 112219, 126007, 192794, 224438, 252014, 289191, 336657, 378021, 578382, 673314, 756042, 785533, 1571066, 2356599, 4713198, 5274293, 10548586, 15822879, 31645758, 36920051, 73840102, 110760153, 221520306]

約数ペア:

[(1, 221520306), (2, 110760153), (3, 73840102), (6, 36920051), (7, 31645758), (14, 15822879), (21, 10548586), (42, 5274293), (47, 4713198), (94, 2356599), (141, 1571066), (282, 785533), (293, 756042), (329, 673314), (383, 578382), (586, 378021), (658, 336657), (766, 289191), (879, 252014), (987, 224438), (1149, 192794), (1758, 126007), (1974, 112219), (2051, 108006), (2298, 96397), (2681, 82626), (4102, 54003), (5362, 41313), (6153, 36002), (8043, 27542), (12306, 18001), (13771, 16086)]