8168888

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 19320000

約数和(自身を除く): 11151112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 229, 343, 364, 392, 458, 637, 686, 728, 916, 1274, 1372, 1603, 1832, 2548, 2744, 2977, 3206, 4459, 5096, 5954, 6412, 8918, 11221, 11908, 12824, 17836, 20839, 22442, 23816, 35672, 41678, 44884, 78547, 83356, 89768, 145873, 157094, 166712, 291746, 314188, 583492, 628376, 1021111, 1166984, 2042222, 4084444, 8168888]

約数ペア:

[(1, 8168888), (2, 4084444), (4, 2042222), (7, 1166984), (8, 1021111), (13, 628376), (14, 583492), (26, 314188), (28, 291746), (49, 166712), (52, 157094), (56, 145873), (91, 89768), (98, 83356), (104, 78547), (182, 44884), (196, 41678), (229, 35672), (343, 23816), (364, 22442), (392, 20839), (458, 17836), (637, 12824), (686, 11908), (728, 11221), (916, 8918), (1274, 6412), (1372, 5954), (1603, 5096), (1832, 4459), (2548, 3206), (2744, 2977)]