71531278

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 135712800

約数和(自身を除く): 64181522

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 343, 617, 637, 686, 1183, 1234, 1274, 2366, 4319, 4459, 8021, 8281, 8638, 8918, 16042, 16562, 30233, 56147, 57967, 60466, 104273, 112294, 115934, 208546, 211631, 393029, 423262, 729911, 786058, 1459822, 2751203, 5109377, 5502406, 10218754, 35765639, 71531278]

約数ペア:

[(1, 71531278), (2, 35765639), (7, 10218754), (13, 5502406), (14, 5109377), (26, 2751203), (49, 1459822), (91, 786058), (98, 729911), (169, 423262), (182, 393029), (338, 211631), (343, 208546), (617, 115934), (637, 112294), (686, 104273), (1183, 60466), (1234, 57967), (1274, 56147), (2366, 30233), (4319, 16562), (4459, 16042), (8021, 8918), (8281, 8638)]