231319188

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 639999360

約数和(自身を除く): 408680172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 73, 86, 89, 92, 129, 138, 146, 172, 178, 207, 219, 258, 267, 276, 292, 356, 387, 414, 438, 516, 534, 657, 774, 801, 828, 876, 989, 1068, 1314, 1548, 1602, 1679, 1978, 2047, 2628, 2967, 3139, 3204, 3358, 3827, 3956, 4094, 5037, 5934, 6141, 6278, 6497, 6716, 7654, 8188, 8901, 9417, 10074, 11481, 11868, 12282, 12556, 12994, 15111, 15308, 17802, 18423, 18834, 19491, 20148, 22962, 24564, 25988, 28251, 30222, 34443, 35604, 36846, 37668, 38982, 45924, 56502, 58473, 60444, 68886, 72197, 73692, 77964, 88021, 113004, 116946, 137772, 144394, 149431, 176042, 216591, 233892, 264063, 279371, 288788, 298862, 352084, 433182, 448293, 528126, 558742, 597724, 649773, 792189, 838113, 866364, 896586, 1056252, 1117484, 1299546, 1344879, 1584378, 1676226, 1793172, 2514339, 2599092, 2689758, 3168756, 3352452, 5028678, 5379516, 6425533, 10057356, 12851066, 19276599, 25702132, 38553198, 57829797, 77106396, 115659594, 231319188]

約数ペア:

[(1, 231319188), (2, 115659594), (3, 77106396), (4, 57829797), (6, 38553198), (9, 25702132), (12, 19276599), (18, 12851066), (23, 10057356), (36, 6425533), (43, 5379516), (46, 5028678), (69, 3352452), (73, 3168756), (86, 2689758), (89, 2599092), (92, 2514339), (129, 1793172), (138, 1676226), (146, 1584378), (172, 1344879), (178, 1299546), (207, 1117484), (219, 1056252), (258, 896586), (267, 866364), (276, 838113), (292, 792189), (356, 649773), (387, 597724), (414, 558742), (438, 528126), (516, 448293), (534, 433182), (657, 352084), (774, 298862), (801, 288788), (828, 279371), (876, 264063), (989, 233892), (1068, 216591), (1314, 176042), (1548, 149431), (1602, 144394), (1679, 137772), (1978, 116946), (2047, 113004), (2628, 88021), (2967, 77964), (3139, 73692), (3204, 72197), (3358, 68886), (3827, 60444), (3956, 58473), (4094, 56502), (5037, 45924), (5934, 38982), (6141, 37668), (6278, 36846), (6497, 35604), (6716, 34443), (7654, 30222), (8188, 28251), (8901, 25988), (9417, 24564), (10074, 22962), (11481, 20148), (11868, 19491), (12282, 18834), (12556, 18423), (12994, 17802), (15111, 15308)]