64357808

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 127554336

約数和(自身を除く): 63196528

約数列:

[1, 2, 4, 8, 16, 71, 142, 181, 284, 313, 362, 568, 626, 724, 1136, 1252, 1448, 2504, 2896, 5008, 12851, 22223, 25702, 44446, 51404, 56653, 88892, 102808, 113306, 177784, 205616, 226612, 355568, 453224, 906448, 4022363, 8044726, 16089452, 32178904, 64357808]

約数ペア:

[(1, 64357808), (2, 32178904), (4, 16089452), (8, 8044726), (16, 4022363), (71, 906448), (142, 453224), (181, 355568), (284, 226612), (313, 205616), (362, 177784), (568, 113306), (626, 102808), (724, 88892), (1136, 56653), (1252, 51404), (1448, 44446), (2504, 25702), (2896, 22223), (5008, 12851)]