508379036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 989936640

約数和(自身を除く): 481557604

約数列:

[1, 2, 4, 11, 22, 44, 89, 131, 178, 262, 356, 524, 979, 991, 1441, 1958, 1982, 2882, 3916, 3964, 5764, 10901, 11659, 21802, 23318, 43604, 46636, 88199, 128249, 129821, 176398, 256498, 259642, 352796, 512996, 519284, 970189, 1428031, 1940378, 2856062, 3880756, 5712124, 11554069, 23108138, 46216276, 127094759, 254189518, 508379036]

約数ペア:

[(1, 508379036), (2, 254189518), (4, 127094759), (11, 46216276), (22, 23108138), (44, 11554069), (89, 5712124), (131, 3880756), (178, 2856062), (262, 1940378), (356, 1428031), (524, 970189), (979, 519284), (991, 512996), (1441, 352796), (1958, 259642), (1982, 256498), (2882, 176398), (3916, 129821), (3964, 128249), (5764, 88199), (10901, 46636), (11659, 43604), (21802, 23318)]