128418568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 267696000

約数和(自身を除く): 139277432

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 109, 152, 184, 218, 337, 436, 437, 674, 872, 874, 1348, 1748, 2071, 2507, 2696, 3496, 4142, 5014, 6403, 7751, 8284, 10028, 12806, 15502, 16568, 20056, 25612, 31004, 36733, 47633, 51224, 62008, 73466, 95266, 146932, 147269, 190532, 293864, 294538, 381064, 589076, 697927, 844859, 1178152, 1395854, 1689718, 2791708, 3379436, 5583416, 6758872, 16052321, 32104642, 64209284, 128418568]

約数ペア:

[(1, 128418568), (2, 64209284), (4, 32104642), (8, 16052321), (19, 6758872), (23, 5583416), (38, 3379436), (46, 2791708), (76, 1689718), (92, 1395854), (109, 1178152), (152, 844859), (184, 697927), (218, 589076), (337, 381064), (436, 294538), (437, 293864), (674, 190532), (872, 147269), (874, 146932), (1348, 95266), (1748, 73466), (2071, 62008), (2507, 51224), (2696, 47633), (3496, 36733), (4142, 31004), (5014, 25612), (6403, 20056), (7751, 16568), (8284, 15502), (10028, 12806)]