291215128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 596937600

約数和(自身を除く): 305722472

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 83, 152, 164, 166, 328, 332, 563, 664, 779, 1126, 1558, 1577, 2252, 3116, 3154, 3403, 4504, 6232, 6308, 6806, 10697, 12616, 13612, 21394, 23083, 27224, 42788, 46166, 46729, 64657, 85576, 92332, 93458, 129314, 184664, 186916, 258628, 373832, 438577, 517256, 877154, 887851, 1754308, 1775702, 1915889, 3508616, 3551404, 3831778, 7102808, 7663556, 15327112, 36401891, 72803782, 145607564, 291215128]

約数ペア:

[(1, 291215128), (2, 145607564), (4, 72803782), (8, 36401891), (19, 15327112), (38, 7663556), (41, 7102808), (76, 3831778), (82, 3551404), (83, 3508616), (152, 1915889), (164, 1775702), (166, 1754308), (328, 887851), (332, 877154), (563, 517256), (664, 438577), (779, 373832), (1126, 258628), (1558, 186916), (1577, 184664), (2252, 129314), (3116, 93458), (3154, 92332), (3403, 85576), (4504, 64657), (6232, 46729), (6308, 46166), (6806, 42788), (10697, 27224), (12616, 23083), (13612, 21394)]