209890434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2699}}^1$

素因数の和:3714

約数の個数: 32

約数和(自身を含む): 452692800

約数和(自身を除く): 242802366

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 997, 1994, 2699, 2991, 5398, 5982, 8097, 12961, 16194, 25922, 35087, 38883, 70174, 77766, 105261, 210522, 2690903, 5381806, 8072709, 16145418, 34981739, 69963478, 104945217, 209890434]

約数ペア:

[(1, 209890434), (2, 104945217), (3, 69963478), (6, 34981739), (13, 16145418), (26, 8072709), (39, 5381806), (78, 2690903), (997, 210522), (1994, 105261), (2699, 77766), (2991, 70174), (5398, 38883), (5982, 35087), (8097, 25922), (12961, 16194)]