80362172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 163322880

約数和(自身を除く): 82960708

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 194, 209, 388, 418, 836, 991, 1067, 1843, 1982, 2134, 3686, 3964, 4268, 7372, 10901, 18829, 20273, 21802, 37658, 40546, 43604, 75316, 81092, 96127, 192254, 207119, 384508, 414238, 828476, 1057397, 1826413, 2114794, 3652826, 4229588, 7305652, 20090543, 40181086, 80362172]

約数ペア:

[(1, 80362172), (2, 40181086), (4, 20090543), (11, 7305652), (19, 4229588), (22, 3652826), (38, 2114794), (44, 1826413), (76, 1057397), (97, 828476), (194, 414238), (209, 384508), (388, 207119), (418, 192254), (836, 96127), (991, 81092), (1067, 75316), (1843, 43604), (1982, 40546), (2134, 37658), (3686, 21802), (3964, 20273), (4268, 18829), (7372, 10901)]