7880288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 17604720

約数和(自身を除く): 9724432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 997, 1976, 1994, 3952, 3988, 7904, 7976, 12961, 15952, 18943, 25922, 31904, 37886, 51844, 75772, 103688, 151544, 207376, 246259, 303088, 414752, 492518, 606176, 985036, 1970072, 3940144, 7880288]

約数ペア:

[(1, 7880288), (2, 3940144), (4, 1970072), (8, 985036), (13, 606176), (16, 492518), (19, 414752), (26, 303088), (32, 246259), (38, 207376), (52, 151544), (76, 103688), (104, 75772), (152, 51844), (208, 37886), (247, 31904), (304, 25922), (416, 18943), (494, 15952), (608, 12961), (988, 7976), (997, 7904), (1976, 3988), (1994, 3952)]