1398901505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 1896652800

約数和(自身を除く): 497751295

約数列:

[1, 5, 19, 31, 59, 83, 95, 97, 155, 295, 415, 485, 589, 1121, 1577, 1829, 1843, 2573, 2945, 3007, 4897, 5605, 5723, 7885, 8051, 9145, 9215, 12865, 15035, 24485, 28615, 34751, 40255, 48887, 57133, 93043, 108737, 151807, 152969, 173755, 177413, 244435, 249581, 285665, 465215, 475009, 543685, 759035, 764845, 887065, 1247905, 2375045, 2884333, 3370847, 4742039, 9025171, 14421665, 14725279, 16854235, 23710195, 45125855, 73626395, 279780301, 1398901505]

約数ペア:

[(1, 1398901505), (5, 279780301), (19, 73626395), (31, 45125855), (59, 23710195), (83, 16854235), (95, 14725279), (97, 14421665), (155, 9025171), (295, 4742039), (415, 3370847), (485, 2884333), (589, 2375045), (1121, 1247905), (1577, 887065), (1829, 764845), (1843, 759035), (2573, 543685), (2945, 475009), (3007, 465215), (4897, 285665), (5605, 249581), (5723, 244435), (7885, 177413), (8051, 173755), (9145, 152969), (9215, 151807), (12865, 108737), (15035, 93043), (24485, 57133), (28615, 48887), (34751, 40255)]