1689968488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1129}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 3516786000

約数和(自身を除く): 1826817512

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 389, 481, 778, 962, 1129, 1556, 1924, 2258, 3112, 3848, 4516, 5057, 9032, 10114, 14393, 14677, 20228, 28786, 29354, 40456, 41773, 57572, 58708, 83546, 115144, 117416, 167092, 187109, 334184, 374218, 439181, 543049, 748436, 878362, 1086098, 1496872, 1756724, 2172196, 3513448, 4344392, 5709353, 11418706, 16249697, 22837412, 32499394, 45674824, 64998788, 129997576, 211246061, 422492122, 844984244, 1689968488]

約数ペア:

[(1, 1689968488), (2, 844984244), (4, 422492122), (8, 211246061), (13, 129997576), (26, 64998788), (37, 45674824), (52, 32499394), (74, 22837412), (104, 16249697), (148, 11418706), (296, 5709353), (389, 4344392), (481, 3513448), (778, 2172196), (962, 1756724), (1129, 1496872), (1556, 1086098), (1924, 878362), (2258, 748436), (3112, 543049), (3848, 439181), (4516, 374218), (5057, 334184), (9032, 187109), (10114, 167092), (14393, 117416), (14677, 115144), (20228, 83546), (28786, 58708), (29354, 57572), (40456, 41773)]