128562876

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 366269904

約数和(自身を除く): 237707028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 131, 156, 162, 233, 234, 262, 324, 351, 393, 466, 468, 524, 699, 702, 786, 932, 1053, 1179, 1398, 1404, 1572, 1703, 2097, 2106, 2358, 2796, 3029, 3406, 3537, 4194, 4212, 4716, 5109, 6058, 6291, 6812, 7074, 8388, 9087, 10218, 10611, 12116, 12582, 14148, 15327, 18174, 18873, 20436, 21222, 25164, 27261, 30523, 30654, 36348, 37746, 42444, 45981, 54522, 61046, 61308, 75492, 81783, 91569, 91962, 109044, 122092, 137943, 163566, 183138, 183924, 245349, 274707, 275886, 327132, 366276, 396799, 490698, 549414, 551772, 793598, 824121, 981396, 1098828, 1190397, 1587196, 1648242, 2380794, 2472363, 3296484, 3571191, 4761588, 4944726, 7142382, 9889452, 10713573, 14284764, 21427146, 32140719, 42854292, 64281438, 128562876]

約数ペア:

[(1, 128562876), (2, 64281438), (3, 42854292), (4, 32140719), (6, 21427146), (9, 14284764), (12, 10713573), (13, 9889452), (18, 7142382), (26, 4944726), (27, 4761588), (36, 3571191), (39, 3296484), (52, 2472363), (54, 2380794), (78, 1648242), (81, 1587196), (108, 1190397), (117, 1098828), (131, 981396), (156, 824121), (162, 793598), (233, 551772), (234, 549414), (262, 490698), (324, 396799), (351, 366276), (393, 327132), (466, 275886), (468, 274707), (524, 245349), (699, 183924), (702, 183138), (786, 163566), (932, 137943), (1053, 122092), (1179, 109044), (1398, 91962), (1404, 91569), (1572, 81783), (1703, 75492), (2097, 61308), (2106, 61046), (2358, 54522), (2796, 45981), (3029, 42444), (3406, 37746), (3537, 36348), (4194, 30654), (4212, 30523), (4716, 27261), (5109, 25164), (6058, 21222), (6291, 20436), (6812, 18873), (7074, 18174), (8388, 15327), (9087, 14148), (10218, 12582), (10611, 12116)]