820778036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{10009}}^1$

素因数の和:10128

約数の個数: 48

約数和(自身を含む): 1648046400

約数和(自身を除く): 827268364

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 83, 166, 247, 332, 494, 988, 1079, 1577, 2158, 3154, 4316, 6308, 10009, 20018, 20501, 40036, 41002, 82004, 130117, 190171, 260234, 380342, 520468, 760684, 830747, 1661494, 2472223, 3322988, 4944446, 9888892, 10799711, 15784193, 21599422, 31568386, 43198844, 63136772, 205194509, 410389018, 820778036]

約数ペア:

[(1, 820778036), (2, 410389018), (4, 205194509), (13, 63136772), (19, 43198844), (26, 31568386), (38, 21599422), (52, 15784193), (76, 10799711), (83, 9888892), (166, 4944446), (247, 3322988), (332, 2472223), (494, 1661494), (988, 830747), (1079, 760684), (1577, 520468), (2158, 380342), (3154, 260234), (4316, 190171), (6308, 130117), (10009, 82004), (20018, 41002), (20501, 40036)]