218534862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{400247}}^1$

素因数の和:400272

約数の個数: 32

約数和(自身を含む): 537933312

約数和(自身を除く): 319398450

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 400247, 800494, 1200741, 2401482, 2801729, 5203211, 5603458, 8405187, 10406422, 15609633, 16810374, 31219266, 36422477, 72844954, 109267431, 218534862]

約数ペア:

[(1, 218534862), (2, 109267431), (3, 72844954), (6, 36422477), (7, 31219266), (13, 16810374), (14, 15609633), (21, 10406422), (26, 8405187), (39, 5603458), (42, 5203211), (78, 2801729), (91, 2401482), (182, 1200741), (273, 800494), (546, 400247)]