645531.0000000

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 21784896

約数和(自身を除く): 12224670

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 73, 78, 138, 146, 219, 299, 438, 598, 897, 949, 1679, 1794, 1898, 2847, 3358, 5037, 5329, 5694, 10074, 10658, 15987, 21827, 31974, 43654, 65481, 69277, 122567, 130962, 138554, 207831, 245134, 367701, 415662, 735402, 1593371, 3186742, 4780113, 9560226]

約数ペア:

[(1, 9560226), (2, 4780113), (3, 3186742), (6, 1593371), (13, 735402), (23, 415662), (26, 367701), (39, 245134), (46, 207831), (69, 138554), (73, 130962), (78, 122567), (138, 69277), (146, 65481), (219, 43654), (299, 31974), (438, 21827), (598, 15987), (897, 10658), (949, 10074), (1679, 5694), (1794, 5329), (1898, 5037), (2847, 3358)]