27939884

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 58094400

約数和(自身を除く): 30154516

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 149, 181, 259, 298, 362, 518, 596, 724, 1036, 1043, 1267, 2086, 2534, 4172, 5068, 5513, 6697, 11026, 13394, 22052, 26788, 26969, 38591, 46879, 53938, 77182, 93758, 107876, 154364, 187516, 188783, 377566, 755132, 997853, 1995706, 3991412, 6984971, 13969942, 27939884]

約数ペア:

[(1, 27939884), (2, 13969942), (4, 6984971), (7, 3991412), (14, 1995706), (28, 997853), (37, 755132), (74, 377566), (148, 188783), (149, 187516), (181, 154364), (259, 107876), (298, 93758), (362, 77182), (518, 53938), (596, 46879), (724, 38591), (1036, 26969), (1043, 26788), (1267, 22052), (2086, 13394), (2534, 11026), (4172, 6697), (5068, 5513)]