201969196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 422607024

約数和(自身を除く): 220637828

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 169, 173, 286, 314, 338, 346, 572, 628, 676, 692, 1727, 1859, 1903, 2041, 2249, 3454, 3718, 3806, 4082, 4498, 6908, 7436, 7612, 8164, 8996, 22451, 24739, 26533, 27161, 29237, 44902, 49478, 53066, 54322, 58474, 89804, 98956, 106132, 108644, 116948, 291863, 298771, 321607, 353093, 583726, 597542, 643214, 706186, 1167452, 1195084, 1286428, 1412372, 3884023, 4590209, 7768046, 9180418, 15536092, 18360836, 50492299, 100984598, 201969196]

約数ペア:

[(1, 201969196), (2, 100984598), (4, 50492299), (11, 18360836), (13, 15536092), (22, 9180418), (26, 7768046), (44, 4590209), (52, 3884023), (143, 1412372), (157, 1286428), (169, 1195084), (173, 1167452), (286, 706186), (314, 643214), (338, 597542), (346, 583726), (572, 353093), (628, 321607), (676, 298771), (692, 291863), (1727, 116948), (1859, 108644), (1903, 106132), (2041, 98956), (2249, 89804), (3454, 58474), (3718, 54322), (3806, 53066), (4082, 49478), (4498, 44902), (6908, 29237), (7436, 27161), (7612, 26533), (8164, 24739), (8996, 22451)]