291106928

素因数分解:

$2^4\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{2081}}^1$

素因数の和:3345

約数の個数: 40

約数和(自身を含む): 645420000

約数和(自身を除く): 354313072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1249, 2081, 2498, 4162, 4996, 8324, 8743, 9992, 14567, 16648, 17486, 19984, 29134, 33296, 34972, 58268, 69944, 116536, 139888, 233072, 2599169, 5198338, 10396676, 18194183, 20793352, 36388366, 41586704, 72776732, 145553464, 291106928]

約数ペア:

[(1, 291106928), (2, 145553464), (4, 72776732), (7, 41586704), (8, 36388366), (14, 20793352), (16, 18194183), (28, 10396676), (56, 5198338), (112, 2599169), (1249, 233072), (2081, 139888), (2498, 116536), (4162, 69944), (4996, 58268), (8324, 34972), (8743, 33296), (9992, 29134), (14567, 19984), (16648, 17486)]