209370538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 382112640

約数和(自身を除く): 172742102

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 107, 214, 221, 233, 247, 323, 442, 466, 494, 646, 1391, 1819, 2033, 2782, 3029, 3638, 3961, 4066, 4199, 4427, 6058, 7922, 8398, 8854, 23647, 24931, 26429, 34561, 47294, 49862, 51493, 52858, 57551, 69122, 75259, 102986, 115102, 150518, 324103, 423827, 449293, 473689, 648206, 847654, 898586, 947378, 978367, 1956734, 5509751, 6157957, 8052713, 11019502, 12315914, 16105426, 104685269, 209370538]

約数ペア:

[(1, 209370538), (2, 104685269), (13, 16105426), (17, 12315914), (19, 11019502), (26, 8052713), (34, 6157957), (38, 5509751), (107, 1956734), (214, 978367), (221, 947378), (233, 898586), (247, 847654), (323, 648206), (442, 473689), (466, 449293), (494, 423827), (646, 324103), (1391, 150518), (1819, 115102), (2033, 102986), (2782, 75259), (3029, 69122), (3638, 57551), (3961, 52858), (4066, 51493), (4199, 49862), (4427, 47294), (6058, 34561), (7922, 26429), (8398, 24931), (8854, 23647)]