199454948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3463}}^1$

素因数の和:3513

約数の個数: 72

約数和(自身を含む): 464397696

約数和(自身を除く): 264942748

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2618, 3388, 3463, 4114, 5236, 6926, 8228, 13852, 14399, 24241, 28798, 38093, 48482, 57596, 58871, 76186, 96964, 117742, 152372, 235484, 266651, 412097, 419023, 533302, 647581, 824194, 838046, 1066604, 1295162, 1648388, 1676092, 2590324, 2933161, 4533067, 5866322, 7123391, 9066134, 11732644, 14246782, 18132268, 28493564, 49863737, 99727474, 199454948]

約数ペア:

[(1, 199454948), (2, 99727474), (4, 49863737), (7, 28493564), (11, 18132268), (14, 14246782), (17, 11732644), (22, 9066134), (28, 7123391), (34, 5866322), (44, 4533067), (68, 2933161), (77, 2590324), (119, 1676092), (121, 1648388), (154, 1295162), (187, 1066604), (238, 838046), (242, 824194), (308, 647581), (374, 533302), (476, 419023), (484, 412097), (748, 266651), (847, 235484), (1309, 152372), (1694, 117742), (2057, 96964), (2618, 76186), (3388, 58871), (3463, 57596), (4114, 48482), (5236, 38093), (6926, 28798), (8228, 24241), (13852, 14399)]