991072376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{8243}}^1$

素因数の和:8388

約数の個数: 64

約数和(自身を含む): 2255558400

約数和(自身を除く): 1264486024

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 226, 266, 452, 532, 791, 904, 1064, 1582, 2147, 3164, 4294, 6328, 8243, 8588, 15029, 16486, 17176, 30058, 32972, 57701, 60116, 65944, 115402, 120232, 156617, 230804, 313234, 461608, 626468, 931459, 1096319, 1252936, 1862918, 2192638, 3725836, 4385276, 6520213, 7451672, 8770552, 13040426, 17697721, 26080852, 35395442, 52161704, 70790884, 123884047, 141581768, 247768094, 495536188, 991072376]

約数ペア:

[(1, 991072376), (2, 495536188), (4, 247768094), (7, 141581768), (8, 123884047), (14, 70790884), (19, 52161704), (28, 35395442), (38, 26080852), (56, 17697721), (76, 13040426), (113, 8770552), (133, 7451672), (152, 6520213), (226, 4385276), (266, 3725836), (452, 2192638), (532, 1862918), (791, 1252936), (904, 1096319), (1064, 931459), (1582, 626468), (2147, 461608), (3164, 313234), (4294, 230804), (6328, 156617), (8243, 120232), (8588, 115402), (15029, 65944), (16486, 60116), (17176, 57701), (30058, 32972)]