28381032

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 80308800

約数和(自身を除く): 51927768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 89, 103, 129, 172, 178, 206, 258, 267, 309, 344, 356, 387, 412, 516, 534, 618, 712, 774, 801, 824, 927, 1032, 1068, 1236, 1548, 1602, 1854, 2136, 2472, 3096, 3204, 3708, 3827, 4429, 6408, 7416, 7654, 8858, 9167, 11481, 13287, 15308, 17716, 18334, 22962, 26574, 27501, 30616, 34443, 35432, 36668, 39861, 45924, 53148, 55002, 68886, 73336, 79722, 82503, 91848, 106296, 110004, 137772, 159444, 165006, 220008, 275544, 318888, 330012, 394181, 660024, 788362, 1182543, 1576724, 2365086, 3153448, 3547629, 4730172, 7095258, 9460344, 14190516, 28381032]

約数ペア:

[(1, 28381032), (2, 14190516), (3, 9460344), (4, 7095258), (6, 4730172), (8, 3547629), (9, 3153448), (12, 2365086), (18, 1576724), (24, 1182543), (36, 788362), (43, 660024), (72, 394181), (86, 330012), (89, 318888), (103, 275544), (129, 220008), (172, 165006), (178, 159444), (206, 137772), (258, 110004), (267, 106296), (309, 91848), (344, 82503), (356, 79722), (387, 73336), (412, 68886), (516, 55002), (534, 53148), (618, 45924), (712, 39861), (774, 36668), (801, 35432), (824, 34443), (927, 30616), (1032, 27501), (1068, 26574), (1236, 22962), (1548, 18334), (1602, 17716), (1854, 15308), (2136, 13287), (2472, 11481), (3096, 9167), (3204, 8858), (3708, 7654), (3827, 7416), (4429, 6408)]