399191156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 886948608

約数和(自身を除く): 487757452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 83, 91, 146, 166, 181, 182, 292, 332, 362, 364, 511, 581, 724, 949, 1022, 1079, 1162, 1267, 1898, 2044, 2158, 2324, 2353, 2534, 3796, 4316, 4706, 5068, 6059, 6643, 7553, 9412, 12118, 13213, 13286, 15023, 15106, 16471, 24236, 26426, 26572, 30046, 30212, 32942, 42413, 52852, 60092, 65884, 78767, 84826, 92491, 105161, 157534, 169652, 171769, 184982, 195299, 210322, 315068, 343538, 369964, 390598, 420644, 551369, 687076, 781196, 1096679, 1102738, 1202383, 1367093, 2193358, 2205476, 2404766, 2734186, 4386716, 4809532, 5468372, 7676753, 14256827, 15353506, 28513654, 30707012, 57027308, 99797789, 199595578, 399191156]

約数ペア:

[(1, 399191156), (2, 199595578), (4, 99797789), (7, 57027308), (13, 30707012), (14, 28513654), (26, 15353506), (28, 14256827), (52, 7676753), (73, 5468372), (83, 4809532), (91, 4386716), (146, 2734186), (166, 2404766), (181, 2205476), (182, 2193358), (292, 1367093), (332, 1202383), (362, 1102738), (364, 1096679), (511, 781196), (581, 687076), (724, 551369), (949, 420644), (1022, 390598), (1079, 369964), (1162, 343538), (1267, 315068), (1898, 210322), (2044, 195299), (2158, 184982), (2324, 171769), (2353, 169652), (2534, 157534), (3796, 105161), (4316, 92491), (4706, 84826), (5068, 78767), (6059, 65884), (6643, 60092), (7553, 52852), (9412, 42413), (12118, 32942), (13213, 30212), (13286, 30046), (15023, 26572), (15106, 26426), (16471, 24236)]