15678728156

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{91841}}^1$

素因数の和:91939

約数の個数: 72

約数和(自身を含む): 34886000016

約数和(自身を除く): 19207271860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 182, 196, 268, 364, 469, 637, 871, 938, 1274, 1742, 1876, 2548, 3283, 3484, 6097, 6566, 12194, 13132, 24388, 42679, 85358, 91841, 170716, 183682, 367364, 642887, 1193933, 1285774, 2387866, 2571548, 4500209, 4775732, 6153347, 8357531, 9000418, 12306694, 16715062, 18000836, 24613388, 33430124, 43073429, 58502717, 79993511, 86146858, 117005434, 159987022, 172293716, 234010868, 301514003, 319974044, 559954577, 603028006, 1119909154, 1206056012, 2239818308, 3919682039, 7839364078, 15678728156]

約数ペア:

[(1, 15678728156), (2, 7839364078), (4, 3919682039), (7, 2239818308), (13, 1206056012), (14, 1119909154), (26, 603028006), (28, 559954577), (49, 319974044), (52, 301514003), (67, 234010868), (91, 172293716), (98, 159987022), (134, 117005434), (182, 86146858), (196, 79993511), (268, 58502717), (364, 43073429), (469, 33430124), (637, 24613388), (871, 18000836), (938, 16715062), (1274, 12306694), (1742, 9000418), (1876, 8357531), (2548, 6153347), (3283, 4775732), (3484, 4500209), (6097, 2571548), (6566, 2387866), (12194, 1285774), (13132, 1193933), (24388, 642887), (42679, 367364), (85358, 183682), (91841, 170716)]