261635648

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{20543}}^1$

素因数の和:20754

約数の個数: 28

約数和(自身を含む): 521817600

約数和(自身を除く): 260181952

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1592, 3184, 6368, 12736, 20543, 41086, 82172, 164344, 328688, 657376, 1314752, 4088057, 8176114, 16352228, 32704456, 65408912, 130817824, 261635648]

約数ペア:

[(1, 261635648), (2, 130817824), (4, 65408912), (8, 32704456), (16, 16352228), (32, 8176114), (64, 4088057), (199, 1314752), (398, 657376), (796, 328688), (1592, 164344), (3184, 82172), (6368, 41086), (12736, 20543)]