140539399

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 198567936

約数和(自身を除く): 58028537

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 143, 217, 341, 403, 539, 637, 647, 1001, 1519, 2387, 2821, 4433, 4529, 7007, 7117, 8411, 16709, 19747, 20057, 31031, 31703, 49819, 58877, 92521, 140399, 217217, 220627, 260741, 348733, 412139, 647647, 982793, 1544389, 1825187, 2868151, 4533529, 10810723, 12776309, 20077057, 140539399]

約数ペア:

[(1, 140539399), (7, 20077057), (11, 12776309), (13, 10810723), (31, 4533529), (49, 2868151), (77, 1825187), (91, 1544389), (143, 982793), (217, 647647), (341, 412139), (403, 348733), (539, 260741), (637, 220627), (647, 217217), (1001, 140399), (1519, 92521), (2387, 58877), (2821, 49819), (4433, 31703), (4529, 31031), (7007, 20057), (7117, 19747), (8411, 16709)]