820681216

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{69691}}^1$

素因数の和:69732

約数の個数: 40

約数和(自身を含む): 1711077984

約数和(自身を除く): 890396768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 69691, 139382, 278764, 557528, 1115056, 1602893, 2230112, 3205786, 4460224, 6411572, 8920448, 12823144, 17840896, 25646288, 35681792, 51292576, 102585152, 205170304, 410340608, 820681216]

約数ペア:

[(1, 820681216), (2, 410340608), (4, 205170304), (8, 102585152), (16, 51292576), (23, 35681792), (32, 25646288), (46, 17840896), (64, 12823144), (92, 8920448), (128, 6411572), (184, 4460224), (256, 3205786), (368, 2230112), (512, 1602893), (736, 1115056), (1472, 557528), (2944, 278764), (5888, 139382), (11776, 69691)]