661664248

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{54449}}^1$

素因数の和:54500

約数の個数: 48

約数和(自身を含む): 1489752000

約数和(自身を除く): 828087752

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 12152, 54449, 108898, 217796, 381143, 435592, 762286, 1524572, 1687919, 2668001, 3049144, 3375838, 5336002, 6751676, 10672004, 11815433, 13503352, 21344008, 23630866, 47261732, 82708031, 94523464, 165416062, 330832124, 661664248]

約数ペア:

[(1, 661664248), (2, 330832124), (4, 165416062), (7, 94523464), (8, 82708031), (14, 47261732), (28, 23630866), (31, 21344008), (49, 13503352), (56, 11815433), (62, 10672004), (98, 6751676), (124, 5336002), (196, 3375838), (217, 3049144), (248, 2668001), (392, 1687919), (434, 1524572), (868, 762286), (1519, 435592), (1736, 381143), (3038, 217796), (6076, 108898), (12152, 54449)]