31205748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 85979712

約数和(自身を除く): 54773964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 511, 588, 727, 876, 1022, 1454, 1533, 2044, 2181, 2908, 3066, 3577, 4362, 5089, 6132, 7154, 8724, 10178, 10731, 14308, 15267, 20356, 21462, 30534, 35623, 42924, 53071, 61068, 71246, 106142, 106869, 142492, 159213, 212284, 213738, 318426, 371497, 427476, 636852, 742994, 1114491, 1485988, 2228982, 2600479, 4457964, 5200958, 7801437, 10401916, 15602874, 31205748]

約数ペア:

[(1, 31205748), (2, 15602874), (3, 10401916), (4, 7801437), (6, 5200958), (7, 4457964), (12, 2600479), (14, 2228982), (21, 1485988), (28, 1114491), (42, 742994), (49, 636852), (73, 427476), (84, 371497), (98, 318426), (146, 213738), (147, 212284), (196, 159213), (219, 142492), (292, 106869), (294, 106142), (438, 71246), (511, 61068), (588, 53071), (727, 42924), (876, 35623), (1022, 30534), (1454, 21462), (1533, 20356), (2044, 15267), (2181, 14308), (2908, 10731), (3066, 10178), (3577, 8724), (4362, 7154), (5089, 6132)]