90139868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 200204928

約数和(自身を除く): 110065060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 169, 172, 182, 301, 338, 364, 443, 559, 602, 676, 886, 1118, 1183, 1204, 1772, 2236, 2366, 3101, 3913, 4732, 5759, 6202, 7267, 7826, 11518, 12404, 14534, 15652, 19049, 23036, 29068, 38098, 40313, 50869, 74867, 76196, 80626, 101738, 133343, 149734, 161252, 203476, 247637, 266686, 299468, 495274, 524069, 533372, 990548, 1048138, 1733459, 2096276, 3219281, 3466918, 6438562, 6933836, 12877124, 22534967, 45069934, 90139868]

約数ペア:

[(1, 90139868), (2, 45069934), (4, 22534967), (7, 12877124), (13, 6933836), (14, 6438562), (26, 3466918), (28, 3219281), (43, 2096276), (52, 1733459), (86, 1048138), (91, 990548), (169, 533372), (172, 524069), (182, 495274), (301, 299468), (338, 266686), (364, 247637), (443, 203476), (559, 161252), (602, 149734), (676, 133343), (886, 101738), (1118, 80626), (1183, 76196), (1204, 74867), (1772, 50869), (2236, 40313), (2366, 38098), (3101, 29068), (3913, 23036), (4732, 19049), (5759, 15652), (6202, 14534), (7267, 12404), (7826, 11518)]