638681296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9281}}^1$

素因数の和:9340

約数の個数: 80

約数和(自身を含む): 1491654528

約数和(自身を除く): 852973232

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 253, 272, 368, 374, 391, 506, 748, 782, 1012, 1496, 1564, 2024, 2992, 3128, 4048, 4301, 6256, 8602, 9281, 17204, 18562, 34408, 37124, 68816, 74248, 102091, 148496, 157777, 204182, 213463, 315554, 408364, 426926, 631108, 816728, 853852, 1262216, 1633456, 1707704, 1735547, 2348093, 2524432, 3415408, 3471094, 3628871, 4696186, 6942188, 7257742, 9392372, 13884376, 14515484, 18784744, 27768752, 29030968, 37569488, 39917581, 58061936, 79835162, 159670324, 319340648, 638681296]

約数ペア:

[(1, 638681296), (2, 319340648), (4, 159670324), (8, 79835162), (11, 58061936), (16, 39917581), (17, 37569488), (22, 29030968), (23, 27768752), (34, 18784744), (44, 14515484), (46, 13884376), (68, 9392372), (88, 7257742), (92, 6942188), (136, 4696186), (176, 3628871), (184, 3471094), (187, 3415408), (253, 2524432), (272, 2348093), (368, 1735547), (374, 1707704), (391, 1633456), (506, 1262216), (748, 853852), (782, 816728), (1012, 631108), (1496, 426926), (1564, 408364), (2024, 315554), (2992, 213463), (3128, 204182), (4048, 157777), (4301, 148496), (6256, 102091), (8602, 74248), (9281, 68816), (17204, 37124), (18562, 34408)]