4689278188

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 9452800000

約数和(自身を除く): 4763521812

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 421, 796, 842, 1393, 1684, 1999, 2786, 2947, 3998, 5572, 5894, 7996, 11788, 13993, 27986, 55972, 83779, 167558, 335116, 397801, 586453, 795602, 841579, 1172906, 1591204, 1683158, 2345812, 2784607, 3366316, 5569214, 5891053, 11138428, 11782106, 23564212, 167474221, 334948442, 669896884, 1172319547, 2344639094, 4689278188]

約数ペア:

[(1, 4689278188), (2, 2344639094), (4, 1172319547), (7, 669896884), (14, 334948442), (28, 167474221), (199, 23564212), (398, 11782106), (421, 11138428), (796, 5891053), (842, 5569214), (1393, 3366316), (1684, 2784607), (1999, 2345812), (2786, 1683158), (2947, 1591204), (3998, 1172906), (5572, 841579), (5894, 795602), (7996, 586453), (11788, 397801), (13993, 335116), (27986, 167558), (55972, 83779)]