1278365976

素因数分解:

$2^3\times 3^4\times {\mathrm{1972787}}^1$

素因数の和:1972805

約数の個数: 40

約数和(自身を含む): 3580610220

約数和(自身を除く): 2302244244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1972787, 3945574, 5918361, 7891148, 11836722, 15782296, 17755083, 23673444, 35510166, 47346888, 53265249, 71020332, 106530498, 142040664, 159795747, 213060996, 319591494, 426121992, 639182988, 1278365976]

約数ペア:

[(1, 1278365976), (2, 639182988), (3, 426121992), (4, 319591494), (6, 213060996), (8, 159795747), (9, 142040664), (12, 106530498), (18, 71020332), (24, 53265249), (27, 47346888), (36, 35510166), (54, 23673444), (72, 17755083), (81, 15782296), (108, 11836722), (162, 7891148), (216, 5918361), (324, 3945574), (648, 1972787)]