16788525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 30456384

約数和(自身を除く): 13667859

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 195, 201, 257, 325, 335, 771, 871, 975, 1005, 1285, 1675, 2613, 3341, 3855, 4355, 5025, 6425, 10023, 13065, 16705, 17219, 19275, 21775, 50115, 51657, 65325, 83525, 86095, 223847, 250575, 258285, 430475, 671541, 1119235, 1291425, 3357705, 5596175, 16788525]

約数ペア:

[(1, 16788525), (3, 5596175), (5, 3357705), (13, 1291425), (15, 1119235), (25, 671541), (39, 430475), (65, 258285), (67, 250575), (75, 223847), (195, 86095), (201, 83525), (257, 65325), (325, 51657), (335, 50115), (771, 21775), (871, 19275), (975, 17219), (1005, 16705), (1285, 13065), (1675, 10023), (2613, 6425), (3341, 5025), (3855, 4355)]