213940610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53087}}^1$

素因数の和:53138

約数の個数: 32

約数和(自身を含む): 428101632

約数和(自身を除く): 214161022

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 53087, 106174, 265435, 530870, 690131, 1380262, 1645697, 3291394, 3450655, 6901310, 8228485, 16456970, 21394061, 42788122, 106970305, 213940610]

約数ペア:

[(1, 213940610), (2, 106970305), (5, 42788122), (10, 21394061), (13, 16456970), (26, 8228485), (31, 6901310), (62, 3450655), (65, 3291394), (130, 1645697), (155, 1380262), (310, 690131), (403, 530870), (806, 265435), (2015, 106174), (4030, 53087)]