278315492

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109229}}^1$

素因数の和:109260

約数の個数: 36

約数和(自身を含む): 610158780

約数和(自身を除く): 331843288

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 109229, 218458, 436916, 764603, 1419977, 1529206, 2839954, 3058412, 5352221, 5679908, 9939839, 10704442, 19879678, 21408884, 39759356, 69578873, 139157746, 278315492]

約数ペア:

[(1, 278315492), (2, 139157746), (4, 69578873), (7, 39759356), (13, 21408884), (14, 19879678), (26, 10704442), (28, 9939839), (49, 5679908), (52, 5352221), (91, 3058412), (98, 2839954), (182, 1529206), (196, 1419977), (364, 764603), (637, 436916), (1274, 218458), (2548, 109229)]