663963952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1338637}}^1$

素因数の和:1338676

約数の個数: 20

約数和(自身を含む): 1327928896

約数和(自身を除く): 663964944

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1338637, 2677274, 5354548, 10709096, 21418192, 41497747, 82995494, 165990988, 331981976, 663963952]

約数ペア:

[(1, 663963952), (2, 331981976), (4, 165990988), (8, 82995494), (16, 41497747), (31, 21418192), (62, 10709096), (124, 5354548), (248, 2677274), (496, 1338637)]