209051278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 354760560

約数和(自身を除く): 145709282

約数列:

[1, 2, 17, 23, 34, 46, 59, 118, 197, 391, 394, 529, 782, 1003, 1058, 1357, 2006, 2714, 3349, 4531, 6698, 8993, 9062, 11623, 17986, 23069, 23246, 31211, 46138, 62422, 77027, 104213, 154054, 197591, 208426, 267329, 395182, 530587, 534658, 1061174, 1771621, 3543242, 4544593, 6148567, 9089186, 12297134, 104525639, 209051278]

約数ペア:

[(1, 209051278), (2, 104525639), (17, 12297134), (23, 9089186), (34, 6148567), (46, 4544593), (59, 3543242), (118, 1771621), (197, 1061174), (391, 534658), (394, 530587), (529, 395182), (782, 267329), (1003, 208426), (1058, 197591), (1357, 154054), (2006, 104213), (2714, 77027), (3349, 62422), (4531, 46138), (6698, 31211), (8993, 23246), (9062, 23069), (11623, 17986)]