266870318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 502951680

約数和(自身を除く): 236081362

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 131, 143, 187, 221, 262, 286, 374, 419, 442, 838, 1441, 1703, 2227, 2431, 2882, 3406, 4454, 4609, 4862, 5447, 7123, 9218, 10894, 14246, 18733, 24497, 28951, 37466, 48994, 54889, 57902, 59917, 78353, 92599, 109778, 119834, 156706, 185198, 318461, 603779, 636922, 713557, 933113, 1018589, 1207558, 1427114, 1866226, 2037178, 7849127, 10264243, 12130469, 15698254, 20528486, 24260938, 133435159, 266870318]

約数ペア:

[(1, 266870318), (2, 133435159), (11, 24260938), (13, 20528486), (17, 15698254), (22, 12130469), (26, 10264243), (34, 7849127), (131, 2037178), (143, 1866226), (187, 1427114), (221, 1207558), (262, 1018589), (286, 933113), (374, 713557), (419, 636922), (442, 603779), (838, 318461), (1441, 185198), (1703, 156706), (2227, 119834), (2431, 109778), (2882, 92599), (3406, 78353), (4454, 59917), (4609, 57902), (4862, 54889), (5447, 48994), (7123, 37466), (9218, 28951), (10894, 24497), (14246, 18733)]