78638872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2396

約数の個数: 64

約数和(自身を含む): 177055200

約数和(自身を除く): 98416328

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2341, 2584, 4199, 4682, 8398, 9364, 16796, 18728, 30433, 33592, 39797, 44479, 60866, 79594, 88958, 121732, 159188, 177916, 243464, 318376, 355832, 517361, 578227, 756143, 1034722, 1156454, 1512286, 2069444, 2312908, 3024572, 4138888, 4625816, 6049144, 9829859, 19659718, 39319436, 78638872]

約数ペア:

[(1, 78638872), (2, 39319436), (4, 19659718), (8, 9829859), (13, 6049144), (17, 4625816), (19, 4138888), (26, 3024572), (34, 2312908), (38, 2069444), (52, 1512286), (68, 1156454), (76, 1034722), (104, 756143), (136, 578227), (152, 517361), (221, 355832), (247, 318376), (323, 243464), (442, 177916), (494, 159188), (646, 121732), (884, 88958), (988, 79594), (1292, 60866), (1768, 44479), (1976, 39797), (2341, 33592), (2584, 30433), (4199, 18728), (4682, 16796), (8398, 9364)]