55984890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143551}}^1$

素因数の和:143574

約数の個数: 32

約数和(自身を含む): 144700416

約数和(自身を除く): 88715526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 143551, 287102, 430653, 717755, 861306, 1435510, 1866163, 2153265, 3732326, 4306530, 5598489, 9330815, 11196978, 18661630, 27992445, 55984890]

約数ペア:

[(1, 55984890), (2, 27992445), (3, 18661630), (5, 11196978), (6, 9330815), (10, 5598489), (13, 4306530), (15, 3732326), (26, 2153265), (30, 1866163), (39, 1435510), (65, 861306), (78, 717755), (130, 430653), (195, 287102), (390, 143551)]