220154539

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 278087040

約数和(自身を除く): 57932501

約数列:

[1, 11, 17, 19, 43, 121, 131, 187, 209, 323, 473, 731, 817, 1441, 2057, 2227, 2299, 2489, 3553, 5203, 5633, 8041, 8987, 13889, 15851, 24497, 27379, 39083, 42313, 61963, 88451, 95761, 98857, 107027, 152779, 269467, 301169, 465443, 681593, 1053371, 1177297, 1680569, 1819459, 5119873, 11587081, 12950267, 20014049, 220154539]

約数ペア:

[(1, 220154539), (11, 20014049), (17, 12950267), (19, 11587081), (43, 5119873), (121, 1819459), (131, 1680569), (187, 1177297), (209, 1053371), (323, 681593), (473, 465443), (731, 301169), (817, 269467), (1441, 152779), (2057, 107027), (2227, 98857), (2299, 95761), (2489, 88451), (3553, 61963), (5203, 42313), (5633, 39083), (8041, 27379), (8987, 24497), (13889, 15851)]