405372032

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{243613}}^1$

素因数の和:243640

約数の個数: 32

約数和(自身を含む): 869701980

約数和(自身を除く): 464329948

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 243613, 487226, 974452, 1948904, 3166969, 3897808, 6333938, 7795616, 12667876, 15591232, 25335752, 31182464, 50671504, 101343008, 202686016, 405372032]

約数ペア:

[(1, 405372032), (2, 202686016), (4, 101343008), (8, 50671504), (13, 31182464), (16, 25335752), (26, 15591232), (32, 12667876), (52, 7795616), (64, 6333938), (104, 3897808), (128, 3166969), (208, 1948904), (416, 974452), (832, 487226), (1664, 243613)]