248538836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 548964864

約数和(自身を除く): 300426028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 169, 182, 212, 338, 364, 371, 676, 689, 742, 991, 1183, 1378, 1484, 1982, 2366, 2756, 3964, 4732, 4823, 6937, 8957, 9646, 12883, 13874, 17914, 19292, 25766, 27748, 35828, 51532, 52523, 62699, 90181, 105046, 125398, 167479, 180362, 210092, 250796, 334958, 360724, 367661, 669916, 682799, 735322, 1172353, 1365598, 1470644, 2344706, 2731196, 4689412, 4779593, 8876387, 9559186, 17752774, 19118372, 35505548, 62134709, 124269418, 248538836]

約数ペア:

[(1, 248538836), (2, 124269418), (4, 62134709), (7, 35505548), (13, 19118372), (14, 17752774), (26, 9559186), (28, 8876387), (52, 4779593), (53, 4689412), (91, 2731196), (106, 2344706), (169, 1470644), (182, 1365598), (212, 1172353), (338, 735322), (364, 682799), (371, 669916), (676, 367661), (689, 360724), (742, 334958), (991, 250796), (1183, 210092), (1378, 180362), (1484, 167479), (1982, 125398), (2366, 105046), (2756, 90181), (3964, 62699), (4732, 52523), (4823, 51532), (6937, 35828), (8957, 27748), (9646, 25766), (12883, 19292), (13874, 17914)]