28537236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 91972608

約数和(自身を除く): 63435372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 182, 186, 217, 234, 252, 273, 279, 281, 364, 372, 403, 434, 468, 546, 558, 562, 651, 806, 819, 843, 868, 1092, 1116, 1124, 1209, 1302, 1612, 1638, 1686, 1953, 1967, 2418, 2529, 2604, 2821, 3276, 3372, 3627, 3653, 3906, 3934, 4836, 5058, 5642, 5901, 7254, 7306, 7812, 7868, 8463, 8711, 10116, 10959, 11284, 11802, 14508, 14612, 16926, 17422, 17703, 21918, 23604, 25389, 25571, 26133, 32877, 33852, 34844, 35406, 43836, 50778, 51142, 52266, 60977, 65754, 70812, 76713, 78399, 101556, 102284, 104532, 113243, 121954, 131508, 153426, 156798, 182931, 226486, 230139, 243908, 306852, 313596, 339729, 365862, 452972, 460278, 548793, 679458, 731724, 792701, 920556, 1019187, 1097586, 1358916, 1585402, 2038374, 2195172, 2378103, 3170804, 4076748, 4756206, 7134309, 9512412, 14268618, 28537236]

約数ペア:

[(1, 28537236), (2, 14268618), (3, 9512412), (4, 7134309), (6, 4756206), (7, 4076748), (9, 3170804), (12, 2378103), (13, 2195172), (14, 2038374), (18, 1585402), (21, 1358916), (26, 1097586), (28, 1019187), (31, 920556), (36, 792701), (39, 731724), (42, 679458), (52, 548793), (62, 460278), (63, 452972), (78, 365862), (84, 339729), (91, 313596), (93, 306852), (117, 243908), (124, 230139), (126, 226486), (156, 182931), (182, 156798), (186, 153426), (217, 131508), (234, 121954), (252, 113243), (273, 104532), (279, 102284), (281, 101556), (364, 78399), (372, 76713), (403, 70812), (434, 65754), (468, 60977), (546, 52266), (558, 51142), (562, 50778), (651, 43836), (806, 35406), (819, 34844), (843, 33852), (868, 32877), (1092, 26133), (1116, 25571), (1124, 25389), (1209, 23604), (1302, 21918), (1612, 17703), (1638, 17422), (1686, 16926), (1953, 14612), (1967, 14508), (2418, 11802), (2529, 11284), (2604, 10959), (2821, 10116), (3276, 8711), (3372, 8463), (3627, 7868), (3653, 7812), (3906, 7306), (3934, 7254), (4836, 5901), (5058, 5642)]