678347838

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{105563}}^1$

素因数の和:105598

約数の個数: 64

約数和(自身を含む): 1824145920

約数和(自身を除く): 1145798082

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426, 105563, 211126, 316689, 633378, 738941, 950067, 1477882, 1794571, 1900134, 2216823, 2850201, 3589142, 4433646, 5383713, 5700402, 6650469, 10767426, 12561997, 13300938, 16151139, 19951407, 25123994, 32302278, 37685991, 39902814, 48453417, 75371982, 96906834, 113057973, 226115946, 339173919, 678347838]

約数ペア:

[(1, 678347838), (2, 339173919), (3, 226115946), (6, 113057973), (7, 96906834), (9, 75371982), (14, 48453417), (17, 39902814), (18, 37685991), (21, 32302278), (27, 25123994), (34, 19951407), (42, 16151139), (51, 13300938), (54, 12561997), (63, 10767426), (102, 6650469), (119, 5700402), (126, 5383713), (153, 4433646), (189, 3589142), (238, 2850201), (306, 2216823), (357, 1900134), (378, 1794571), (459, 1477882), (714, 950067), (918, 738941), (1071, 633378), (2142, 316689), (3213, 211126), (6426, 105563)]