261579968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{314399}}^1$

素因数の和:314424

約数の個数: 28

約数和(自身を含む): 559003200

約数和(自身を除く): 297423232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 314399, 628798, 1257596, 2515192, 4087187, 5030384, 8174374, 10060768, 16348748, 20121536, 32697496, 65394992, 130789984, 261579968]

約数ペア:

[(1, 261579968), (2, 130789984), (4, 65394992), (8, 32697496), (13, 20121536), (16, 16348748), (26, 10060768), (32, 8174374), (52, 5030384), (64, 4087187), (104, 2515192), (208, 1257596), (416, 628798), (832, 314399)]