217189986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{2251}}^1$

素因数の和:3506

約数の個数: 32

約数和(自身を含む): 468379968

約数和(自身を除く): 251189982

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1237, 2251, 2474, 3711, 4502, 6753, 7422, 13506, 16081, 29263, 32162, 48243, 58526, 87789, 96486, 175578, 2784487, 5568974, 8353461, 16706922, 36198331, 72396662, 108594993, 217189986]

約数ペア:

[(1, 217189986), (2, 108594993), (3, 72396662), (6, 36198331), (13, 16706922), (26, 8353461), (39, 5568974), (78, 2784487), (1237, 175578), (2251, 96486), (2474, 87789), (3711, 58526), (4502, 48243), (6753, 32162), (7422, 29263), (13506, 16081)]