221081379844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^2\times {\mathrm{389}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 422780543640

約数和(自身を除く): 201699163796

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 311, 389, 452, 622, 778, 1244, 1469, 1556, 2938, 4043, 5057, 5876, 8086, 10114, 16172, 20228, 35143, 43957, 70286, 87914, 96721, 120979, 140572, 175828, 193442, 241958, 386884, 456859, 483916, 571441, 913718, 1142882, 1257373, 1572727, 1827436, 2285764, 2514746, 3145454, 5029492, 6290908, 10929473, 13670627, 21858946, 27341254, 37624469, 43717892, 54682508, 75248938, 142083149, 150497876, 177718151, 284166298, 355436302, 489118097, 568332596, 710872604, 978236194, 1956472388, 4251564997, 8503129994, 17006259988, 55270344961, 110540689922, 221081379844]

約数ペア:

[(1, 221081379844), (2, 110540689922), (4, 55270344961), (13, 17006259988), (26, 8503129994), (52, 4251564997), (113, 1956472388), (226, 978236194), (311, 710872604), (389, 568332596), (452, 489118097), (622, 355436302), (778, 284166298), (1244, 177718151), (1469, 150497876), (1556, 142083149), (2938, 75248938), (4043, 54682508), (5057, 43717892), (5876, 37624469), (8086, 27341254), (10114, 21858946), (16172, 13670627), (20228, 10929473), (35143, 6290908), (43957, 5029492), (70286, 3145454), (87914, 2514746), (96721, 2285764), (120979, 1827436), (140572, 1572727), (175828, 1257373), (193442, 1142882), (241958, 913718), (386884, 571441), (456859, 483916)]