870835268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 1652238000

約数和(自身を除く): 781402732

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 149, 244, 298, 596, 1037, 1409, 2074, 2533, 2818, 4148, 5066, 5636, 9089, 10132, 18178, 23953, 36356, 47906, 85949, 95812, 154513, 171898, 209941, 309026, 343796, 419882, 618052, 839764, 1461133, 2922266, 3568997, 5844532, 7137994, 12806401, 14275988, 25612802, 51225604, 217708817, 435417634, 870835268]

約数ペア:

[(1, 870835268), (2, 435417634), (4, 217708817), (17, 51225604), (34, 25612802), (61, 14275988), (68, 12806401), (122, 7137994), (149, 5844532), (244, 3568997), (298, 2922266), (596, 1461133), (1037, 839764), (1409, 618052), (2074, 419882), (2533, 343796), (2818, 309026), (4148, 209941), (5066, 171898), (5636, 154513), (9089, 95812), (10132, 85949), (18178, 47906), (23953, 36356)]