28714088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 62370000

約数和(自身を除く): 33655912

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 109, 136, 149, 218, 221, 298, 436, 442, 596, 872, 884, 1192, 1417, 1768, 1853, 1937, 2533, 2834, 3706, 3874, 5066, 5668, 7412, 7748, 10132, 11336, 14824, 15496, 16241, 20264, 24089, 32482, 32929, 48178, 64964, 65858, 96356, 129928, 131716, 192712, 211133, 263432, 276097, 422266, 552194, 844532, 1104388, 1689064, 2208776, 3589261, 7178522, 14357044, 28714088]

約数ペア:

[(1, 28714088), (2, 14357044), (4, 7178522), (8, 3589261), (13, 2208776), (17, 1689064), (26, 1104388), (34, 844532), (52, 552194), (68, 422266), (104, 276097), (109, 263432), (136, 211133), (149, 192712), (218, 131716), (221, 129928), (298, 96356), (436, 65858), (442, 64964), (596, 48178), (872, 32929), (884, 32482), (1192, 24089), (1417, 20264), (1768, 16241), (1853, 15496), (1937, 14824), (2533, 11336), (2834, 10132), (3706, 7748), (3874, 7412), (5066, 5668)]