128568968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 274000320

約数和(自身を除く): 145431352

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 61, 86, 88, 122, 172, 244, 344, 473, 488, 557, 671, 946, 1114, 1342, 1892, 2228, 2623, 2684, 3784, 4456, 5246, 5368, 6127, 10492, 12254, 20984, 23951, 24508, 28853, 33977, 47902, 49016, 57706, 67954, 95804, 115412, 135908, 191608, 230824, 263461, 271816, 373747, 526922, 747494, 1053844, 1461011, 1494988, 2107688, 2922022, 2989976, 5844044, 11688088, 16071121, 32142242, 64284484, 128568968]

約数ペア:

[(1, 128568968), (2, 64284484), (4, 32142242), (8, 16071121), (11, 11688088), (22, 5844044), (43, 2989976), (44, 2922022), (61, 2107688), (86, 1494988), (88, 1461011), (122, 1053844), (172, 747494), (244, 526922), (344, 373747), (473, 271816), (488, 263461), (557, 230824), (671, 191608), (946, 135908), (1114, 115412), (1342, 95804), (1892, 67954), (2228, 57706), (2623, 49016), (2684, 47902), (3784, 33977), (4456, 28853), (5246, 24508), (5368, 23951), (6127, 20984), (10492, 12254)]