26761990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 23419130

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 659, 1310, 1318, 3295, 4061, 6590, 8122, 20305, 20429, 40610, 40858, 86329, 102145, 172658, 204290, 431645, 863290, 2676199, 5352398, 13380995, 26761990]

約数ペア:

[(1, 26761990), (2, 13380995), (5, 5352398), (10, 2676199), (31, 863290), (62, 431645), (131, 204290), (155, 172658), (262, 102145), (310, 86329), (655, 40858), (659, 40610), (1310, 20429), (1318, 20305), (3295, 8122), (4061, 6590)]