28321956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 78249080

約数和(自身を除く): 49927124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 829, 876, 949, 1314, 1658, 1898, 2487, 2628, 2847, 3316, 3796, 4974, 5694, 7461, 8541, 9948, 10777, 11388, 14922, 17082, 21554, 29844, 32331, 34164, 43108, 60517, 64662, 96993, 121034, 129324, 181551, 193986, 242068, 363102, 387972, 544653, 726204, 786721, 1089306, 1573442, 2178612, 2360163, 3146884, 4720326, 7080489, 9440652, 14160978, 28321956]

約数ペア:

[(1, 28321956), (2, 14160978), (3, 9440652), (4, 7080489), (6, 4720326), (9, 3146884), (12, 2360163), (13, 2178612), (18, 1573442), (26, 1089306), (36, 786721), (39, 726204), (52, 544653), (73, 387972), (78, 363102), (117, 242068), (146, 193986), (156, 181551), (219, 129324), (234, 121034), (292, 96993), (438, 64662), (468, 60517), (657, 43108), (829, 34164), (876, 32331), (949, 29844), (1314, 21554), (1658, 17082), (1898, 14922), (2487, 11388), (2628, 10777), (2847, 9948), (3316, 8541), (3796, 7461), (4974, 5694)]