445668444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1481}}^1$

素因数の和:2147

約数の個数: 72

約数和(自身を含む): 1215915792

約数和(自身を除く): 770247348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 643, 1286, 1481, 1929, 2572, 2962, 3858, 4443, 5787, 5924, 7716, 8359, 8886, 11574, 13329, 16718, 17772, 19253, 23148, 25077, 26658, 33436, 38506, 50154, 53316, 57759, 75231, 77012, 100308, 115518, 150462, 173277, 231036, 300924, 346554, 693108, 952283, 1904566, 2856849, 3809132, 5713698, 8570547, 11427396, 12379679, 17141094, 24759358, 34282188, 37139037, 49518716, 74278074, 111417111, 148556148, 222834222, 445668444]

約数ペア:

[(1, 445668444), (2, 222834222), (3, 148556148), (4, 111417111), (6, 74278074), (9, 49518716), (12, 37139037), (13, 34282188), (18, 24759358), (26, 17141094), (36, 12379679), (39, 11427396), (52, 8570547), (78, 5713698), (117, 3809132), (156, 2856849), (234, 1904566), (468, 952283), (643, 693108), (1286, 346554), (1481, 300924), (1929, 231036), (2572, 173277), (2962, 150462), (3858, 115518), (4443, 100308), (5787, 77012), (5924, 75231), (7716, 57759), (8359, 53316), (8886, 50154), (11574, 38506), (13329, 33436), (16718, 26658), (17772, 25077), (19253, 23148)]