28205123004

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{46867}}^1$

素因数の和:47179

約数の個数: 72

約数和(自身を含む): 72590095760

約数和(自身を除く): 44384972756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 229, 292, 438, 458, 657, 687, 876, 916, 1314, 1374, 2061, 2628, 2748, 4122, 8244, 16717, 33434, 46867, 50151, 66868, 93734, 100302, 140601, 150453, 187468, 200604, 281202, 300906, 421803, 562404, 601812, 843606, 1687212, 3421291, 6842582, 10263873, 10732543, 13685164, 20527746, 21465086, 30791619, 32197629, 41055492, 42930172, 61583238, 64395258, 96592887, 123166476, 128790516, 193185774, 386371548, 783475639, 1566951278, 2350426917, 3133902556, 4700853834, 7051280751, 9401707668, 14102561502, 28205123004]

約数ペア:

[(1, 28205123004), (2, 14102561502), (3, 9401707668), (4, 7051280751), (6, 4700853834), (9, 3133902556), (12, 2350426917), (18, 1566951278), (36, 783475639), (73, 386371548), (146, 193185774), (219, 128790516), (229, 123166476), (292, 96592887), (438, 64395258), (458, 61583238), (657, 42930172), (687, 41055492), (876, 32197629), (916, 30791619), (1314, 21465086), (1374, 20527746), (2061, 13685164), (2628, 10732543), (2748, 10263873), (4122, 6842582), (8244, 3421291), (16717, 1687212), (33434, 843606), (46867, 601812), (50151, 562404), (66868, 421803), (93734, 300906), (100302, 281202), (140601, 200604), (150453, 187468)]