268897538

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{77761}}^1$

素因数の和:77802

約数の個数: 32

約数和(自身を含む): 522560640

約数和(自身を除く): 253663102

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 77761, 155522, 544327, 1010893, 1088654, 1477459, 2021786, 2954918, 7076251, 10342213, 14152502, 19206967, 20684426, 38413934, 134448769, 268897538]

約数ペア:

[(1, 268897538), (2, 134448769), (7, 38413934), (13, 20684426), (14, 19206967), (19, 14152502), (26, 10342213), (38, 7076251), (91, 2954918), (133, 2021786), (182, 1477459), (247, 1088654), (266, 1010893), (494, 544327), (1729, 155522), (3458, 77761)]