215548984

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 491520960

約数和(自身を除く): 275971976

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 257, 476, 514, 881, 952, 1028, 1762, 1799, 2056, 3524, 3598, 4369, 6167, 7048, 7196, 8738, 12334, 14392, 14977, 17476, 24668, 29954, 30583, 34952, 49336, 59908, 61166, 104839, 119816, 122332, 209678, 226417, 244664, 419356, 452834, 838712, 905668, 1584919, 1811336, 3169838, 3849089, 6339676, 7698178, 12679352, 15396356, 26943623, 30792712, 53887246, 107774492, 215548984]

約数ペア:

[(1, 215548984), (2, 107774492), (4, 53887246), (7, 30792712), (8, 26943623), (14, 15396356), (17, 12679352), (28, 7698178), (34, 6339676), (56, 3849089), (68, 3169838), (119, 1811336), (136, 1584919), (238, 905668), (257, 838712), (476, 452834), (514, 419356), (881, 244664), (952, 226417), (1028, 209678), (1762, 122332), (1799, 119816), (2056, 104839), (3524, 61166), (3598, 59908), (4369, 49336), (6167, 34952), (7048, 30583), (7196, 29954), (8738, 24668), (12334, 17476), (14392, 14977)]