199914904

素因数分解:

$2^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{2417}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 438286680

約数和(自身を除く): 238371776

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 211, 392, 422, 844, 1477, 1688, 2417, 2954, 4834, 5908, 9668, 10339, 11816, 16919, 19336, 20678, 33838, 41356, 67676, 82712, 118433, 135352, 236866, 473732, 509987, 947464, 1019974, 2039948, 3569909, 4079896, 7139818, 14279636, 24989363, 28559272, 49978726, 99957452, 199914904]

約数ペア:

[(1, 199914904), (2, 99957452), (4, 49978726), (7, 28559272), (8, 24989363), (14, 14279636), (28, 7139818), (49, 4079896), (56, 3569909), (98, 2039948), (196, 1019974), (211, 947464), (392, 509987), (422, 473732), (844, 236866), (1477, 135352), (1688, 118433), (2417, 82712), (2954, 67676), (4834, 41356), (5908, 33838), (9668, 20678), (10339, 19336), (11816, 16919)]