61405188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20756

約数の個数: 48

約数和(自身を含む): 162429120

約数和(自身を除く): 101023932

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 20717, 41434, 62151, 82868, 124302, 248604, 269321, 393623, 538642, 787246, 807963, 1077284, 1180869, 1574492, 1615926, 2361738, 3231852, 4723476, 5117099, 10234198, 15351297, 20468396, 30702594, 61405188]

約数ペア:

[(1, 61405188), (2, 30702594), (3, 20468396), (4, 15351297), (6, 10234198), (12, 5117099), (13, 4723476), (19, 3231852), (26, 2361738), (38, 1615926), (39, 1574492), (52, 1180869), (57, 1077284), (76, 807963), (78, 787246), (114, 538642), (156, 393623), (228, 269321), (247, 248604), (494, 124302), (741, 82868), (988, 62151), (1482, 41434), (2964, 20717)]