28013221782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397723}}^1$

素因数の和:397794

約数の個数: 96

約数和(自身を含む): 76439371008

約数和(自身を除く): 48426149226

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 273, 301, 387, 546, 559, 602, 774, 819, 903, 1118, 1638, 1677, 1806, 2709, 3354, 3913, 5031, 5418, 7826, 10062, 11739, 23478, 35217, 70434, 397723, 795446, 1193169, 2386338, 2784061, 3579507, 5170399, 5568122, 7159014, 8352183, 10340798, 15511197, 16704366, 17102089, 25056549, 31022394, 34204178, 36192793, 46533591, 50113098, 51306267, 72385586, 93067182, 102612534, 108578379, 119714623, 153918801, 217156758, 222327157, 239429246, 307837602, 325735137, 359143869, 444654314, 651470274, 666981471, 718287738, 1077431607, 1333962942, 1556290099, 2000944413, 2154863214, 3112580198, 4001888826, 4668870297, 9337740594, 14006610891, 28013221782]

約数ペア:

[(1, 28013221782), (2, 14006610891), (3, 9337740594), (6, 4668870297), (7, 4001888826), (9, 3112580198), (13, 2154863214), (14, 2000944413), (18, 1556290099), (21, 1333962942), (26, 1077431607), (39, 718287738), (42, 666981471), (43, 651470274), (63, 444654314), (78, 359143869), (86, 325735137), (91, 307837602), (117, 239429246), (126, 222327157), (129, 217156758), (182, 153918801), (234, 119714623), (258, 108578379), (273, 102612534), (301, 93067182), (387, 72385586), (546, 51306267), (559, 50113098), (602, 46533591), (774, 36192793), (819, 34204178), (903, 31022394), (1118, 25056549), (1638, 17102089), (1677, 16704366), (1806, 15511197), (2709, 10340798), (3354, 8352183), (3913, 7159014), (5031, 5568122), (5418, 5170399), (7826, 3579507), (10062, 2784061), (11739, 2386338), (23478, 1193169), (35217, 795446), (70434, 397723)]