31619388

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 81941328

約数和(自身を除く): 50321940

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 293, 391, 529, 586, 782, 879, 1058, 1172, 1173, 1564, 1587, 1758, 2116, 2346, 3174, 3516, 4692, 4981, 6348, 6739, 8993, 9962, 13478, 14943, 17986, 19924, 20217, 26956, 26979, 29886, 35972, 40434, 53958, 59772, 80868, 107916, 114563, 154997, 229126, 309994, 343689, 458252, 464991, 619988, 687378, 929982, 1374756, 1859964, 2634949, 5269898, 7904847, 10539796, 15809694, 31619388]

約数ペア:

[(1, 31619388), (2, 15809694), (3, 10539796), (4, 7904847), (6, 5269898), (12, 2634949), (17, 1859964), (23, 1374756), (34, 929982), (46, 687378), (51, 619988), (68, 464991), (69, 458252), (92, 343689), (102, 309994), (138, 229126), (204, 154997), (276, 114563), (293, 107916), (391, 80868), (529, 59772), (586, 53958), (782, 40434), (879, 35972), (1058, 29886), (1172, 26979), (1173, 26956), (1564, 20217), (1587, 19924), (1758, 17986), (2116, 14943), (2346, 13478), (3174, 9962), (3516, 8993), (4692, 6739), (4981, 6348)]