28690272

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 89893440

約数和(自身を除く): 61203168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 79, 96, 97, 104, 117, 144, 156, 158, 194, 208, 234, 237, 288, 291, 312, 316, 388, 416, 468, 474, 582, 624, 632, 711, 776, 873, 936, 948, 1027, 1164, 1248, 1261, 1264, 1422, 1552, 1746, 1872, 1896, 2054, 2328, 2522, 2528, 2844, 3081, 3104, 3492, 3744, 3783, 3792, 4108, 4656, 5044, 5688, 6162, 6984, 7566, 7584, 7663, 8216, 9243, 9312, 10088, 11349, 11376, 12324, 13968, 15132, 15326, 16432, 18486, 20176, 22698, 22752, 22989, 24648, 27936, 30264, 30652, 32864, 36972, 40352, 45396, 45978, 49296, 60528, 61304, 68967, 73944, 90792, 91956, 98592, 99619, 121056, 122608, 137934, 147888, 181584, 183912, 199238, 245216, 275868, 295776, 298857, 363168, 367824, 398476, 551736, 597714, 735648, 796952, 896571, 1103472, 1195428, 1593904, 1793142, 2206944, 2390856, 3187808, 3586284, 4781712, 7172568, 9563424, 14345136, 28690272]

約数ペア:

[(1, 28690272), (2, 14345136), (3, 9563424), (4, 7172568), (6, 4781712), (8, 3586284), (9, 3187808), (12, 2390856), (13, 2206944), (16, 1793142), (18, 1593904), (24, 1195428), (26, 1103472), (32, 896571), (36, 796952), (39, 735648), (48, 597714), (52, 551736), (72, 398476), (78, 367824), (79, 363168), (96, 298857), (97, 295776), (104, 275868), (117, 245216), (144, 199238), (156, 183912), (158, 181584), (194, 147888), (208, 137934), (234, 122608), (237, 121056), (288, 99619), (291, 98592), (312, 91956), (316, 90792), (388, 73944), (416, 68967), (468, 61304), (474, 60528), (582, 49296), (624, 45978), (632, 45396), (711, 40352), (776, 36972), (873, 32864), (936, 30652), (948, 30264), (1027, 27936), (1164, 24648), (1248, 22989), (1261, 22752), (1264, 22698), (1422, 20176), (1552, 18486), (1746, 16432), (1872, 15326), (1896, 15132), (2054, 13968), (2328, 12324), (2522, 11376), (2528, 11349), (2844, 10088), (3081, 9312), (3104, 9243), (3492, 8216), (3744, 7663), (3783, 7584), (3792, 7566), (4108, 6984), (4656, 6162), (5044, 5688)]