87918090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{225431}}^1$

素因数の和:225454

約数の個数: 32

約数和(自身を含む): 227235456

約数和(自身を除く): 139317366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 225431, 450862, 676293, 1127155, 1352586, 2254310, 2930603, 3381465, 5861206, 6762930, 8791809, 14653015, 17583618, 29306030, 43959045, 87918090]

約数ペア:

[(1, 87918090), (2, 43959045), (3, 29306030), (5, 17583618), (6, 14653015), (10, 8791809), (13, 6762930), (15, 5861206), (26, 3381465), (30, 2930603), (39, 2254310), (65, 1352586), (78, 1127155), (130, 676293), (195, 450862), (390, 225431)]