258991698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1183

約数の個数: 64

約数和(自身を含む): 625351680

約数和(自身を除く): 366359982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 491, 661, 798, 982, 1322, 1473, 1983, 2946, 3437, 3966, 4627, 6874, 9254, 9329, 10311, 12559, 13881, 18658, 20622, 25118, 27762, 27987, 37677, 55974, 65303, 75354, 87913, 130606, 175826, 195909, 263739, 324551, 391818, 527478, 649102, 973653, 1947306, 2271857, 4543714, 6166469, 6815571, 12332938, 13631142, 18499407, 36998814, 43165283, 86330566, 129495849, 258991698]

約数ペア:

[(1, 258991698), (2, 129495849), (3, 86330566), (6, 43165283), (7, 36998814), (14, 18499407), (19, 13631142), (21, 12332938), (38, 6815571), (42, 6166469), (57, 4543714), (114, 2271857), (133, 1947306), (266, 973653), (399, 649102), (491, 527478), (661, 391818), (798, 324551), (982, 263739), (1322, 195909), (1473, 175826), (1983, 130606), (2946, 87913), (3437, 75354), (3966, 65303), (4627, 55974), (6874, 37677), (9254, 27987), (9329, 27762), (10311, 25118), (12559, 20622), (13881, 18658)]