128840598436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1\times {\mathrm{21139}}^1$

素因数の和:23176

約数の個数: 48

約数和(自身を含む): 249572413440

約数和(自身を除く): 120731815004

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 1951, 3124, 3902, 7804, 21139, 21461, 42278, 42922, 84556, 85844, 138521, 232529, 277042, 465058, 554084, 930116, 1500869, 1523731, 3001738, 3047462, 6003476, 6094924, 16509559, 33019118, 41242189, 66038236, 82484378, 164968756, 453664079, 907328158, 1814656316, 2928195419, 5856390838, 11712781676, 32210149609, 64420299218, 128840598436]

約数ペア:

[(1, 128840598436), (2, 64420299218), (4, 32210149609), (11, 11712781676), (22, 5856390838), (44, 2928195419), (71, 1814656316), (142, 907328158), (284, 453664079), (781, 164968756), (1562, 82484378), (1951, 66038236), (3124, 41242189), (3902, 33019118), (7804, 16509559), (21139, 6094924), (21461, 6003476), (42278, 3047462), (42922, 3001738), (84556, 1523731), (85844, 1500869), (138521, 930116), (232529, 554084), (277042, 465058)]