31085418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 81696384

約数和(自身を除く): 50610966

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 197, 221, 238, 273, 289, 357, 394, 442, 546, 578, 591, 663, 714, 867, 1182, 1326, 1379, 1547, 1734, 2023, 2561, 2758, 3094, 3349, 3757, 4046, 4137, 4641, 5122, 6069, 6698, 7514, 7683, 8274, 9282, 10047, 11271, 12138, 15366, 17927, 20094, 22542, 23443, 26299, 35854, 43537, 46886, 52598, 53781, 56933, 70329, 78897, 87074, 107562, 113866, 130611, 140658, 157794, 170799, 261222, 304759, 341598, 398531, 609518, 740129, 797062, 914277, 1195593, 1480258, 1828554, 2220387, 2391186, 4440774, 5180903, 10361806, 15542709, 31085418]

約数ペア:

[(1, 31085418), (2, 15542709), (3, 10361806), (6, 5180903), (7, 4440774), (13, 2391186), (14, 2220387), (17, 1828554), (21, 1480258), (26, 1195593), (34, 914277), (39, 797062), (42, 740129), (51, 609518), (78, 398531), (91, 341598), (102, 304759), (119, 261222), (182, 170799), (197, 157794), (221, 140658), (238, 130611), (273, 113866), (289, 107562), (357, 87074), (394, 78897), (442, 70329), (546, 56933), (578, 53781), (591, 52598), (663, 46886), (714, 43537), (867, 35854), (1182, 26299), (1326, 23443), (1379, 22542), (1547, 20094), (1734, 17927), (2023, 15366), (2561, 12138), (2758, 11271), (3094, 10047), (3349, 9282), (3757, 8274), (4046, 7683), (4137, 7514), (4641, 6698), (5122, 6069)]