61991630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 115734528

約数和(自身を除く): 53742898

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 311, 622, 643, 1286, 1555, 3110, 3215, 6430, 9641, 19282, 19933, 39866, 48205, 96410, 99665, 199330, 199973, 399946, 999865, 1999730, 6199163, 12398326, 30995815, 61991630]

約数ペア:

[(1, 61991630), (2, 30995815), (5, 12398326), (10, 6199163), (31, 1999730), (62, 999865), (155, 399946), (310, 199973), (311, 199330), (622, 99665), (643, 96410), (1286, 48205), (1555, 39866), (3110, 19933), (3215, 19282), (6430, 9641)]