207801916

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 432409600

約数和(自身を除く): 224607684

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 79, 148, 158, 259, 316, 518, 553, 1036, 1106, 2212, 2539, 2923, 5078, 5846, 10156, 11692, 17773, 20461, 35546, 40922, 71092, 81844, 93943, 187886, 200581, 375772, 401162, 657601, 802324, 1315202, 1404067, 2630404, 2808134, 5616268, 7421497, 14842994, 29685988, 51950479, 103900958, 207801916]

約数ペア:

[(1, 207801916), (2, 103900958), (4, 51950479), (7, 29685988), (14, 14842994), (28, 7421497), (37, 5616268), (74, 2808134), (79, 2630404), (148, 1404067), (158, 1315202), (259, 802324), (316, 657601), (518, 401162), (553, 375772), (1036, 200581), (1106, 187886), (2212, 93943), (2539, 81844), (2923, 71092), (5078, 40922), (5846, 35546), (10156, 20461), (11692, 17773)]