64333556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 134034432

約数和(自身を除く): 69700876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 217, 274, 434, 541, 548, 868, 959, 1082, 1918, 2164, 3787, 3836, 4247, 7574, 8494, 15148, 16771, 16988, 29729, 33542, 59458, 67084, 74117, 117397, 118916, 148234, 234794, 296468, 469588, 518819, 1037638, 2075276, 2297627, 4595254, 9190508, 16083389, 32166778, 64333556]

約数ペア:

[(1, 64333556), (2, 32166778), (4, 16083389), (7, 9190508), (14, 4595254), (28, 2297627), (31, 2075276), (62, 1037638), (124, 518819), (137, 469588), (217, 296468), (274, 234794), (434, 148234), (541, 118916), (548, 117397), (868, 74117), (959, 67084), (1082, 59458), (1918, 33542), (2164, 29729), (3787, 16988), (3836, 16771), (4247, 15148), (7574, 8494)]