219754444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2089}}^1$

素因数の和:2147

約数の個数: 72

約数和(自身を含む): 503037920

約数和(自身を除く): 283283476

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 289, 364, 442, 476, 578, 884, 1156, 1547, 2023, 2089, 3094, 3757, 4046, 4178, 6188, 7514, 8092, 8356, 14623, 15028, 26299, 27157, 29246, 35513, 52598, 54314, 58492, 71026, 105196, 108628, 142052, 190099, 248591, 380198, 461669, 497182, 603721, 760396, 923338, 994364, 1207442, 1846676, 2414884, 3231683, 4226047, 6463366, 7848373, 8452094, 12926732, 15696746, 16904188, 31393492, 54938611, 109877222, 219754444]

約数ペア:

[(1, 219754444), (2, 109877222), (4, 54938611), (7, 31393492), (13, 16904188), (14, 15696746), (17, 12926732), (26, 8452094), (28, 7848373), (34, 6463366), (52, 4226047), (68, 3231683), (91, 2414884), (119, 1846676), (182, 1207442), (221, 994364), (238, 923338), (289, 760396), (364, 603721), (442, 497182), (476, 461669), (578, 380198), (884, 248591), (1156, 190099), (1547, 142052), (2023, 108628), (2089, 105196), (3094, 71026), (3757, 58492), (4046, 54314), (4178, 52598), (6188, 35513), (7514, 29246), (8092, 27157), (8356, 26299), (14623, 15028)]