78362890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 145696320

約数和(自身を除く): 67333430

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 410, 655, 1310, 1459, 2918, 5371, 7295, 10742, 14590, 26855, 53710, 59819, 119638, 191129, 299095, 382258, 598190, 955645, 1911290, 7836289, 15672578, 39181445, 78362890]

約数ペア:

[(1, 78362890), (2, 39181445), (5, 15672578), (10, 7836289), (41, 1911290), (82, 955645), (131, 598190), (205, 382258), (262, 299095), (410, 191129), (655, 119638), (1310, 59819), (1459, 53710), (2918, 26855), (5371, 14590), (7295, 10742)]