40378546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 67350528

約数和(自身を除く): 26971982

約数列:

[1, 2, 13, 26, 47, 94, 173, 191, 346, 382, 611, 1222, 2249, 2483, 4498, 4966, 8131, 8977, 16262, 17954, 33043, 66086, 105703, 116701, 211406, 233402, 429559, 859118, 1553021, 3106042, 20189273, 40378546]

約数ペア:

[(1, 40378546), (2, 20189273), (13, 3106042), (26, 1553021), (47, 859118), (94, 429559), (173, 233402), (191, 211406), (346, 116701), (382, 105703), (611, 66086), (1222, 33043), (2249, 17954), (2483, 16262), (4498, 8977), (4966, 8131)]