721323148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2971}}^1$

素因数の和:3047

約数の個数: 96

約数和(自身を含む): 1677634560

約数和(自身を除く): 956311412

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 29, 46, 52, 58, 91, 92, 116, 161, 182, 203, 299, 322, 364, 377, 406, 598, 644, 667, 754, 812, 1196, 1334, 1508, 2093, 2639, 2668, 2971, 4186, 4669, 5278, 5942, 8372, 8671, 9338, 10556, 11884, 17342, 18676, 20797, 34684, 38623, 41594, 60697, 68333, 77246, 83188, 86159, 121394, 136666, 154492, 172318, 242788, 270361, 273332, 344636, 478331, 540722, 603113, 888329, 956662, 1081444, 1120067, 1206226, 1776658, 1913324, 1981657, 2240134, 2412452, 3553316, 3963314, 4480268, 6218303, 7840469, 7926628, 12436606, 13871599, 15680938, 24873212, 25761541, 27743198, 31361876, 51523082, 55486396, 103046164, 180330787, 360661574, 721323148]

約数ペア:

[(1, 721323148), (2, 360661574), (4, 180330787), (7, 103046164), (13, 55486396), (14, 51523082), (23, 31361876), (26, 27743198), (28, 25761541), (29, 24873212), (46, 15680938), (52, 13871599), (58, 12436606), (91, 7926628), (92, 7840469), (116, 6218303), (161, 4480268), (182, 3963314), (203, 3553316), (299, 2412452), (322, 2240134), (364, 1981657), (377, 1913324), (406, 1776658), (598, 1206226), (644, 1120067), (667, 1081444), (754, 956662), (812, 888329), (1196, 603113), (1334, 540722), (1508, 478331), (2093, 344636), (2639, 273332), (2668, 270361), (2971, 242788), (4186, 172318), (4669, 154492), (5278, 136666), (5942, 121394), (8372, 86159), (8671, 83188), (9338, 77246), (10556, 68333), (11884, 60697), (17342, 41594), (18676, 38623), (20797, 34684)]