28941770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 62971776

約数和(自身を除く): 34030006

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 370, 407, 481, 547, 715, 814, 962, 1094, 1430, 2035, 2405, 2735, 4070, 4810, 5291, 5470, 6017, 7111, 10582, 12034, 14222, 20239, 26455, 30085, 35555, 40478, 52910, 60170, 71110, 78221, 101195, 156442, 202390, 222629, 263107, 391105, 445258, 526214, 782210, 1113145, 1315535, 2226290, 2631070, 2894177, 5788354, 14470885, 28941770]

約数ペア:

[(1, 28941770), (2, 14470885), (5, 5788354), (10, 2894177), (11, 2631070), (13, 2226290), (22, 1315535), (26, 1113145), (37, 782210), (55, 526214), (65, 445258), (74, 391105), (110, 263107), (130, 222629), (143, 202390), (185, 156442), (286, 101195), (370, 78221), (407, 71110), (481, 60170), (547, 52910), (715, 40478), (814, 35555), (962, 30085), (1094, 26455), (1430, 20239), (2035, 14222), (2405, 12034), (2735, 10582), (4070, 7111), (4810, 6017), (5291, 5470)]