64858825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 87708672

約数和(自身を除く): 22849847

約数列:

[1, 5, 17, 25, 47, 85, 191, 235, 289, 425, 799, 955, 1175, 1445, 3247, 3995, 4775, 7225, 8977, 13583, 16235, 19975, 44885, 55199, 67915, 81175, 152609, 224425, 275995, 339575, 763045, 1379975, 2594353, 3815225, 12971765, 64858825]

約数ペア:

[(1, 64858825), (5, 12971765), (17, 3815225), (25, 2594353), (47, 1379975), (85, 763045), (191, 339575), (235, 275995), (289, 224425), (425, 152609), (799, 81175), (955, 67915), (1175, 55199), (1445, 44885), (3247, 19975), (3995, 16235), (4775, 13583), (7225, 8977)]