13490456

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 31488000

約数和(自身を除く): 17997544

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 409, 434, 532, 589, 818, 868, 1064, 1178, 1636, 1736, 2356, 2863, 3272, 4123, 4712, 5726, 7771, 8246, 11452, 12679, 15542, 16492, 22904, 25358, 31084, 32984, 50716, 54397, 62168, 88753, 101432, 108794, 177506, 217588, 240901, 355012, 435176, 481802, 710024, 963604, 1686307, 1927208, 3372614, 6745228, 13490456]

約数ペア:

[(1, 13490456), (2, 6745228), (4, 3372614), (7, 1927208), (8, 1686307), (14, 963604), (19, 710024), (28, 481802), (31, 435176), (38, 355012), (56, 240901), (62, 217588), (76, 177506), (124, 108794), (133, 101432), (152, 88753), (217, 62168), (248, 54397), (266, 50716), (409, 32984), (434, 31084), (532, 25358), (589, 22904), (818, 16492), (868, 15542), (1064, 12679), (1178, 11452), (1636, 8246), (1736, 7771), (2356, 5726), (2863, 4712), (3272, 4123)]