205123492

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 422851968

約数和(自身を除く): 217728476

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 197, 287, 394, 574, 788, 907, 1148, 1379, 1814, 2758, 3628, 5516, 6349, 8077, 12698, 16154, 25396, 32308, 37187, 56539, 74374, 113078, 148748, 178679, 226156, 260309, 357358, 520618, 714716, 1041236, 1250753, 2501506, 5003012, 7325839, 14651678, 29303356, 51280873, 102561746, 205123492]

約数ペア:

[(1, 205123492), (2, 102561746), (4, 51280873), (7, 29303356), (14, 14651678), (28, 7325839), (41, 5003012), (82, 2501506), (164, 1250753), (197, 1041236), (287, 714716), (394, 520618), (574, 357358), (788, 260309), (907, 226156), (1148, 178679), (1379, 148748), (1814, 113078), (2758, 74374), (3628, 56539), (5516, 37187), (6349, 32308), (8077, 25396), (12698, 16154)]