28156788

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 80680320

約数和(自身を除く): 52523532

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 137, 173, 198, 274, 297, 346, 396, 411, 519, 548, 594, 692, 822, 1038, 1188, 1233, 1507, 1557, 1644, 1903, 2076, 2466, 3014, 3114, 3699, 3806, 4521, 4671, 4932, 5709, 6028, 6228, 7398, 7612, 9042, 9342, 11418, 13563, 14796, 17127, 18084, 18684, 22836, 23701, 27126, 34254, 40689, 47402, 51381, 54252, 68508, 71103, 81378, 94804, 102762, 142206, 162756, 205524, 213309, 260711, 284412, 426618, 521422, 639927, 782133, 853236, 1042844, 1279854, 1564266, 2346399, 2559708, 3128532, 4692798, 7039197, 9385596, 14078394, 28156788]

約数ペア:

[(1, 28156788), (2, 14078394), (3, 9385596), (4, 7039197), (6, 4692798), (9, 3128532), (11, 2559708), (12, 2346399), (18, 1564266), (22, 1279854), (27, 1042844), (33, 853236), (36, 782133), (44, 639927), (54, 521422), (66, 426618), (99, 284412), (108, 260711), (132, 213309), (137, 205524), (173, 162756), (198, 142206), (274, 102762), (297, 94804), (346, 81378), (396, 71103), (411, 68508), (519, 54252), (548, 51381), (594, 47402), (692, 40689), (822, 34254), (1038, 27126), (1188, 23701), (1233, 22836), (1507, 18684), (1557, 18084), (1644, 17127), (1903, 14796), (2076, 13563), (2466, 11418), (3014, 9342), (3114, 9042), (3699, 7612), (3806, 7398), (4521, 6228), (4671, 6028), (4932, 5709)]