997347316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 2168472320

約数和(自身を除く): 1171125004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 73, 76, 122, 133, 146, 244, 266, 292, 421, 427, 511, 532, 842, 854, 1022, 1159, 1387, 1684, 1708, 2044, 2318, 2774, 2947, 4453, 4636, 5548, 5894, 7999, 8113, 8906, 9709, 11788, 15998, 16226, 17812, 19418, 25681, 30733, 31171, 31996, 32452, 38836, 51362, 55993, 61466, 62342, 84607, 102724, 111986, 122932, 124684, 169214, 179767, 215131, 223972, 338428, 359534, 430262, 487939, 583927, 592249, 719068, 860524, 975878, 1167854, 1184498, 1874713, 1951756, 2335708, 2368996, 3415573, 3749426, 4087489, 6831146, 7498852, 8174978, 13122991, 13662292, 16349956, 26245982, 35619547, 52491964, 71239094, 142478188, 249336829, 498673658, 997347316]

約数ペア:

[(1, 997347316), (2, 498673658), (4, 249336829), (7, 142478188), (14, 71239094), (19, 52491964), (28, 35619547), (38, 26245982), (61, 16349956), (73, 13662292), (76, 13122991), (122, 8174978), (133, 7498852), (146, 6831146), (244, 4087489), (266, 3749426), (292, 3415573), (421, 2368996), (427, 2335708), (511, 1951756), (532, 1874713), (842, 1184498), (854, 1167854), (1022, 975878), (1159, 860524), (1387, 719068), (1684, 592249), (1708, 583927), (2044, 487939), (2318, 430262), (2774, 359534), (2947, 338428), (4453, 223972), (4636, 215131), (5548, 179767), (5894, 169214), (7999, 124684), (8113, 122932), (8906, 111986), (9709, 102724), (11788, 84607), (15998, 62342), (16226, 61466), (17812, 55993), (19418, 51362), (25681, 38836), (30733, 32452), (31171, 31996)]