1638970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 3234816

約数和(自身を除く): 1595846

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 311, 527, 622, 1054, 1555, 2635, 3110, 5270, 5287, 9641, 10574, 19282, 26435, 48205, 52870, 96410, 163897, 327794, 819485, 1638970]

約数ペア:

[(1, 1638970), (2, 819485), (5, 327794), (10, 163897), (17, 96410), (31, 52870), (34, 48205), (62, 26435), (85, 19282), (155, 10574), (170, 9641), (310, 5287), (311, 5270), (527, 3110), (622, 2635), (1054, 1555)]