138243952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^2$

素因数の和:239

約数の個数: 90

約数和(自身を含む): 339834152

約数和(自身を除く): 201590200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 121, 154, 176, 202, 242, 308, 404, 484, 616, 707, 808, 847, 968, 1111, 1232, 1414, 1616, 1694, 1936, 2222, 2828, 3388, 4444, 5656, 6776, 7777, 8888, 10201, 11312, 12221, 13552, 15554, 17776, 20402, 24442, 31108, 40804, 48884, 62216, 71407, 81608, 85547, 97768, 112211, 124432, 142814, 163216, 171094, 195536, 224422, 285628, 342188, 448844, 571256, 684376, 785477, 897688, 1142512, 1234321, 1368752, 1570954, 1795376, 2468642, 3141908, 4937284, 6283816, 8640247, 9874568, 12567632, 17280494, 19749136, 34560988, 69121976, 138243952]

約数ペア:

[(1, 138243952), (2, 69121976), (4, 34560988), (7, 19749136), (8, 17280494), (11, 12567632), (14, 9874568), (16, 8640247), (22, 6283816), (28, 4937284), (44, 3141908), (56, 2468642), (77, 1795376), (88, 1570954), (101, 1368752), (112, 1234321), (121, 1142512), (154, 897688), (176, 785477), (202, 684376), (242, 571256), (308, 448844), (404, 342188), (484, 285628), (616, 224422), (707, 195536), (808, 171094), (847, 163216), (968, 142814), (1111, 124432), (1232, 112211), (1414, 97768), (1616, 85547), (1694, 81608), (1936, 71407), (2222, 62216), (2828, 48884), (3388, 40804), (4444, 31108), (5656, 24442), (6776, 20402), (7777, 17776), (8888, 15554), (10201, 13552), (11312, 12221)]