31078728

素因数分解:

$2^3\times 3^6\times {\mathrm{73}}^2$

素因数の和:170

約数の個数: 84

約数和(自身を含む): 88582185

約数和(自身を除く): 57503457

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 243, 292, 324, 438, 486, 584, 648, 657, 729, 876, 972, 1314, 1458, 1752, 1944, 1971, 2628, 2916, 3942, 5256, 5329, 5832, 5913, 7884, 10658, 11826, 15768, 15987, 17739, 21316, 23652, 31974, 35478, 42632, 47304, 47961, 53217, 63948, 70956, 95922, 106434, 127896, 141912, 143883, 191844, 212868, 287766, 383688, 425736, 431649, 575532, 863298, 1151064, 1294947, 1726596, 2589894, 3453192, 3884841, 5179788, 7769682, 10359576, 15539364, 31078728]

約数ペア:

[(1, 31078728), (2, 15539364), (3, 10359576), (4, 7769682), (6, 5179788), (8, 3884841), (9, 3453192), (12, 2589894), (18, 1726596), (24, 1294947), (27, 1151064), (36, 863298), (54, 575532), (72, 431649), (73, 425736), (81, 383688), (108, 287766), (146, 212868), (162, 191844), (216, 143883), (219, 141912), (243, 127896), (292, 106434), (324, 95922), (438, 70956), (486, 63948), (584, 53217), (648, 47961), (657, 47304), (729, 42632), (876, 35478), (972, 31974), (1314, 23652), (1458, 21316), (1752, 17739), (1944, 15987), (1971, 15768), (2628, 11826), (2916, 10658), (3942, 7884), (5256, 5913), (5329, 5832)]