1280493214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27809}}^1$

素因数の和:27865

約数の個数: 64

約数和(自身を含む): 2691118080

約数和(自身を除く): 1410624866

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 506, 598, 1001, 1771, 2002, 2093, 3289, 3542, 4186, 6578, 23023, 27809, 46046, 55618, 194663, 305899, 361517, 389326, 611798, 639607, 723034, 1279214, 2141293, 2530619, 3976687, 4282586, 4477249, 5061238, 7035677, 7953374, 8314891, 8954498, 14071354, 16629782, 27836809, 49249739, 55673618, 58204237, 91463801, 98499478, 116408474, 182927602, 640246607, 1280493214]

約数ペア:

[(1, 1280493214), (2, 640246607), (7, 182927602), (11, 116408474), (13, 98499478), (14, 91463801), (22, 58204237), (23, 55673618), (26, 49249739), (46, 27836809), (77, 16629782), (91, 14071354), (143, 8954498), (154, 8314891), (161, 7953374), (182, 7035677), (253, 5061238), (286, 4477249), (299, 4282586), (322, 3976687), (506, 2530619), (598, 2141293), (1001, 1279214), (1771, 723034), (2002, 639607), (2093, 611798), (3289, 389326), (3542, 361517), (4186, 305899), (6578, 194663), (23023, 55618), (27809, 46046)]