387906883

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:516

約数の個数: 36

約数和(自身を含む): 493594920

約数和(自身を除く): 105688037

約数列:

[1, 7, 13, 49, 91, 139, 169, 337, 637, 973, 1183, 1807, 2359, 4381, 6811, 8281, 12649, 16513, 23491, 30667, 46843, 56953, 88543, 164437, 214669, 327901, 398671, 608959, 1151059, 2295307, 2790697, 4262713, 7916467, 29838991, 55415269, 387906883]

約数ペア:

[(1, 387906883), (7, 55415269), (13, 29838991), (49, 7916467), (91, 4262713), (139, 2790697), (169, 2295307), (337, 1151059), (637, 608959), (973, 398671), (1183, 327901), (1807, 214669), (2359, 164437), (4381, 88543), (6811, 56953), (8281, 46843), (12649, 30667), (16513, 23491)]