16990072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 37830240

約数和(自身を除く): 20840168

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 41, 44, 68, 82, 88, 136, 164, 187, 277, 328, 374, 451, 554, 697, 748, 902, 1108, 1394, 1496, 1804, 2216, 2788, 3047, 3608, 4709, 5576, 6094, 7667, 9418, 11357, 12188, 15334, 18836, 22714, 24376, 30668, 37672, 45428, 51799, 61336, 90856, 103598, 124927, 193069, 207196, 249854, 386138, 414392, 499708, 772276, 999416, 1544552, 2123759, 4247518, 8495036, 16990072]

約数ペア:

[(1, 16990072), (2, 8495036), (4, 4247518), (8, 2123759), (11, 1544552), (17, 999416), (22, 772276), (34, 499708), (41, 414392), (44, 386138), (68, 249854), (82, 207196), (88, 193069), (136, 124927), (164, 103598), (187, 90856), (277, 61336), (328, 51799), (374, 45428), (451, 37672), (554, 30668), (697, 24376), (748, 22714), (902, 18836), (1108, 15334), (1394, 12188), (1496, 11357), (1804, 9418), (2216, 7667), (2788, 6094), (3047, 5576), (3608, 4709)]