205019388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47857}}^1$

素因数の和:47891

約数の個数: 72

約数和(自身を含む): 627131232

約数和(自身を除く): 422111844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 47857, 95714, 143571, 191428, 287142, 334999, 430713, 574284, 669998, 813569, 861426, 1004997, 1339996, 1627138, 1722852, 2009994, 2440707, 3014991, 3254276, 4019988, 4881414, 5694983, 6029982, 7322121, 9762828, 11389966, 12059964, 14644242, 17084949, 22779932, 29288484, 34169898, 51254847, 68339796, 102509694, 205019388]

約数ペア:

[(1, 205019388), (2, 102509694), (3, 68339796), (4, 51254847), (6, 34169898), (7, 29288484), (9, 22779932), (12, 17084949), (14, 14644242), (17, 12059964), (18, 11389966), (21, 9762828), (28, 7322121), (34, 6029982), (36, 5694983), (42, 4881414), (51, 4019988), (63, 3254276), (68, 3014991), (84, 2440707), (102, 2009994), (119, 1722852), (126, 1627138), (153, 1339996), (204, 1004997), (238, 861426), (252, 813569), (306, 669998), (357, 574284), (476, 430713), (612, 334999), (714, 287142), (1071, 191428), (1428, 143571), (2142, 95714), (4284, 47857)]