212907786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389941}}^1$

素因数の和:389966

約数の個数: 32

約数和(自身を含む): 524082048

約数和(自身を除く): 311174262

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 389941, 779882, 1169823, 2339646, 2729587, 5069233, 5459174, 8188761, 10138466, 15207699, 16377522, 30415398, 35484631, 70969262, 106453893, 212907786]

約数ペア:

[(1, 212907786), (2, 106453893), (3, 70969262), (6, 35484631), (7, 30415398), (13, 16377522), (14, 15207699), (21, 10138466), (26, 8188761), (39, 5459174), (42, 5069233), (78, 2729587), (91, 2339646), (182, 1169823), (273, 779882), (546, 389941)]