128972494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6829}}^1$

素因数の和:6928

約数の個数: 32

約数和(自身を含む): 236044800

約数和(自身を除く): 107072306

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 6829, 9443, 13658, 18886, 47803, 95606, 129751, 259502, 484859, 908257, 969718, 1816514, 3394013, 6788026, 9212321, 18424642, 64486247, 128972494]

約数ペア:

[(1, 128972494), (2, 64486247), (7, 18424642), (14, 9212321), (19, 6788026), (38, 3394013), (71, 1816514), (133, 969718), (142, 908257), (266, 484859), (497, 259502), (994, 129751), (1349, 95606), (2698, 47803), (6829, 18886), (9443, 13658)]