388047708

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{751}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 1016078336

約数和(自身を除く): 628030628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 463, 558, 751, 926, 1116, 1389, 1502, 1852, 2253, 2778, 3004, 4167, 4506, 5556, 6759, 8334, 9012, 13518, 14353, 16668, 23281, 27036, 28706, 43059, 46562, 57412, 69843, 86118, 93124, 129177, 139686, 172236, 209529, 258354, 279372, 347713, 419058, 516708, 695426, 838116, 1043139, 1390852, 2086278, 3129417, 4172556, 6258834, 10779103, 12517668, 21558206, 32337309, 43116412, 64674618, 97011927, 129349236, 194023854, 388047708]

約数ペア:

[(1, 388047708), (2, 194023854), (3, 129349236), (4, 97011927), (6, 64674618), (9, 43116412), (12, 32337309), (18, 21558206), (31, 12517668), (36, 10779103), (62, 6258834), (93, 4172556), (124, 3129417), (186, 2086278), (279, 1390852), (372, 1043139), (463, 838116), (558, 695426), (751, 516708), (926, 419058), (1116, 347713), (1389, 279372), (1502, 258354), (1852, 209529), (2253, 172236), (2778, 139686), (3004, 129177), (4167, 93124), (4506, 86118), (5556, 69843), (6759, 57412), (8334, 46562), (9012, 43059), (13518, 28706), (14353, 27036), (16668, 23281)]