238045554

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{20129}}^1$

素因数の和:20216

約数の個数: 40

約数和(自身を含む): 540732060

約数和(自身を除く): 302686506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 3942, 5913, 11826, 20129, 40258, 60387, 120774, 181161, 362322, 543483, 1086966, 1469417, 1630449, 2938834, 3260898, 4408251, 8816502, 13224753, 26449506, 39674259, 79348518, 119022777, 238045554]

約数ペア:

[(1, 238045554), (2, 119022777), (3, 79348518), (6, 39674259), (9, 26449506), (18, 13224753), (27, 8816502), (54, 4408251), (73, 3260898), (81, 2938834), (146, 1630449), (162, 1469417), (219, 1086966), (438, 543483), (657, 362322), (1314, 181161), (1971, 120774), (3942, 60387), (5913, 40258), (11826, 20129)]