207828775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 324622080

約数和(自身を除く): 116793305

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 107, 175, 275, 385, 535, 749, 1009, 1177, 1925, 2675, 3745, 5045, 5885, 7063, 8239, 11099, 18725, 25225, 29425, 35315, 41195, 55495, 77693, 107963, 176575, 205975, 277475, 388465, 539815, 755741, 1187593, 1942325, 2699075, 3778705, 5937965, 8313151, 18893525, 29689825, 41565755, 207828775]

約数ペア:

[(1, 207828775), (5, 41565755), (7, 29689825), (11, 18893525), (25, 8313151), (35, 5937965), (55, 3778705), (77, 2699075), (107, 1942325), (175, 1187593), (275, 755741), (385, 539815), (535, 388465), (749, 277475), (1009, 205975), (1177, 176575), (1925, 107963), (2675, 77693), (3745, 55495), (5045, 41195), (5885, 35315), (7063, 29425), (8239, 25225), (11099, 18725)]