2157788170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{13309}}^1$

素因数の和:13870

約数の個数: 32

約数和(自身を含む): 4017277440

約数和(自身を除く): 1859489270

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 523, 1046, 2615, 5230, 13309, 16213, 26618, 32426, 66545, 81065, 133090, 162130, 412579, 825158, 2062895, 4125790, 6960607, 13921214, 34803035, 69606070, 215778817, 431557634, 1078894085, 2157788170]

約数ペア:

[(1, 2157788170), (2, 1078894085), (5, 431557634), (10, 215778817), (31, 69606070), (62, 34803035), (155, 13921214), (310, 6960607), (523, 4125790), (1046, 2062895), (2615, 825158), (5230, 412579), (13309, 162130), (16213, 133090), (26618, 81065), (32426, 66545)]