1278989868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{75217}}^1$

素因数の和:75346

約数の個数: 48

約数和(自身を含む): 3243400160

約数和(自身を除く): 1964410292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1308, 1417, 2834, 4251, 5668, 8502, 17004, 75217, 150434, 225651, 300868, 451302, 902604, 977821, 1955642, 2933463, 3911284, 5866926, 8198653, 11733852, 16397306, 24595959, 32794612, 49191918, 98383836, 106582489, 213164978, 319747467, 426329956, 639494934, 1278989868]

約数ペア:

[(1, 1278989868), (2, 639494934), (3, 426329956), (4, 319747467), (6, 213164978), (12, 106582489), (13, 98383836), (26, 49191918), (39, 32794612), (52, 24595959), (78, 16397306), (109, 11733852), (156, 8198653), (218, 5866926), (327, 3911284), (436, 2933463), (654, 1955642), (1308, 977821), (1417, 902604), (2834, 451302), (4251, 300868), (5668, 225651), (8502, 150434), (17004, 75217)]