213881216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 454189680

約数和(自身を除く): 240308464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 227, 272, 433, 454, 544, 866, 908, 1088, 1732, 1816, 2176, 3464, 3632, 3859, 6928, 7264, 7361, 7718, 13856, 14528, 14722, 15436, 27712, 29056, 29444, 30872, 55424, 58888, 61744, 98291, 117776, 123488, 196582, 235552, 246976, 393164, 471104, 493952, 786328, 942208, 1572656, 1670947, 3145312, 3341894, 6290624, 6683788, 12581248, 13367576, 26735152, 53470304, 106940608, 213881216]

約数ペア:

[(1, 213881216), (2, 106940608), (4, 53470304), (8, 26735152), (16, 13367576), (17, 12581248), (32, 6683788), (34, 6290624), (64, 3341894), (68, 3145312), (128, 1670947), (136, 1572656), (227, 942208), (272, 786328), (433, 493952), (454, 471104), (544, 393164), (866, 246976), (908, 235552), (1088, 196582), (1732, 123488), (1816, 117776), (2176, 98291), (3464, 61744), (3632, 58888), (3859, 55424), (6928, 30872), (7264, 29444), (7361, 29056), (7718, 27712), (13856, 15436), (14528, 14722)]