28815248

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 73328640

約数和(自身を除く): 44513392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1231, 1232, 1463, 1672, 2128, 2462, 2926, 3344, 4924, 5852, 8617, 9848, 11704, 13541, 17234, 19696, 23389, 23408, 27082, 34468, 46778, 54164, 68936, 93556, 94787, 108328, 137872, 163723, 187112, 189574, 216656, 257279, 327446, 374224, 379148, 514558, 654892, 758296, 1029116, 1309784, 1516592, 1800953, 2058232, 2619568, 3601906, 4116464, 7203812, 14407624, 28815248]

約数ペア:

[(1, 28815248), (2, 14407624), (4, 7203812), (7, 4116464), (8, 3601906), (11, 2619568), (14, 2058232), (16, 1800953), (19, 1516592), (22, 1309784), (28, 1029116), (38, 758296), (44, 654892), (56, 514558), (76, 379148), (77, 374224), (88, 327446), (112, 257279), (133, 216656), (152, 189574), (154, 187112), (176, 163723), (209, 137872), (266, 108328), (304, 94787), (308, 93556), (418, 68936), (532, 54164), (616, 46778), (836, 34468), (1064, 27082), (1231, 23408), (1232, 23389), (1463, 19696), (1672, 17234), (2128, 13541), (2462, 11704), (2926, 9848), (3344, 8617), (4924, 5852)]