51213990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6491}}^1$

素因数の和:6764

約数の個数: 32

約数和(自身を含む): 123399936

約数和(自身を除く): 72185946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 3945, 6491, 7890, 12982, 19473, 32455, 38946, 64910, 97365, 194730, 1707133, 3414266, 5121399, 8535665, 10242798, 17071330, 25606995, 51213990]

約数ペア:

[(1, 51213990), (2, 25606995), (3, 17071330), (5, 10242798), (6, 8535665), (10, 5121399), (15, 3414266), (30, 1707133), (263, 194730), (526, 97365), (789, 64910), (1315, 38946), (1578, 32455), (2630, 19473), (3945, 12982), (6491, 7890)]