291215312908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1333721}}^1$

素因数の和:1333787

約数の個数: 72

約数和(自身を含む): 615059237520

約数和(自身を除く): 323843924612

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 169, 221, 247, 323, 338, 442, 494, 646, 676, 884, 988, 1292, 2873, 3211, 4199, 5746, 6422, 8398, 11492, 12844, 16796, 54587, 109174, 218348, 1333721, 2667442, 5334884, 17338373, 22673257, 25340699, 34676746, 45346514, 50681398, 69353492, 90693028, 101362796, 225398849, 294752341, 329429087, 430791883, 450797698, 589504682, 658858174, 861583766, 901595396, 1179009364, 1317716348, 1723167532, 3831780433, 4282578131, 5600294479, 7663560866, 8565156262, 11200588958, 15327121732, 17130312524, 22401177916, 72803828227, 145607656454, 291215312908]

約数ペア:

[(1, 291215312908), (2, 145607656454), (4, 72803828227), (13, 22401177916), (17, 17130312524), (19, 15327121732), (26, 11200588958), (34, 8565156262), (38, 7663560866), (52, 5600294479), (68, 4282578131), (76, 3831780433), (169, 1723167532), (221, 1317716348), (247, 1179009364), (323, 901595396), (338, 861583766), (442, 658858174), (494, 589504682), (646, 450797698), (676, 430791883), (884, 329429087), (988, 294752341), (1292, 225398849), (2873, 101362796), (3211, 90693028), (4199, 69353492), (5746, 50681398), (6422, 45346514), (8398, 34676746), (11492, 25340699), (12844, 22673257), (16796, 17338373), (54587, 5334884), (109174, 2667442), (218348, 1333721)]