491344668

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1109}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 1286463360

約数和(自身を除く): 795118692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 397, 558, 794, 1109, 1116, 1191, 1588, 2218, 2382, 3327, 3573, 4436, 4764, 6654, 7146, 9981, 12307, 13308, 14292, 19962, 24614, 34379, 36921, 39924, 49228, 68758, 73842, 103137, 110763, 137516, 147684, 206274, 221526, 309411, 412548, 440273, 443052, 618822, 880546, 1237644, 1320819, 1761092, 2641638, 3962457, 5283276, 7924914, 13648463, 15849828, 27296926, 40945389, 54593852, 81890778, 122836167, 163781556, 245672334, 491344668]

約数ペア:

[(1, 491344668), (2, 245672334), (3, 163781556), (4, 122836167), (6, 81890778), (9, 54593852), (12, 40945389), (18, 27296926), (31, 15849828), (36, 13648463), (62, 7924914), (93, 5283276), (124, 3962457), (186, 2641638), (279, 1761092), (372, 1320819), (397, 1237644), (558, 880546), (794, 618822), (1109, 443052), (1116, 440273), (1191, 412548), (1588, 309411), (2218, 221526), (2382, 206274), (3327, 147684), (3573, 137516), (4436, 110763), (4764, 103137), (6654, 73842), (7146, 68758), (9981, 49228), (12307, 39924), (13308, 36921), (14292, 34379), (19962, 24614)]