31281448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 68817600

約数和(自身を除く): 37536152

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 53, 76, 88, 106, 152, 209, 212, 353, 418, 424, 583, 706, 836, 1007, 1166, 1412, 1672, 2014, 2332, 2824, 3883, 4028, 4664, 6707, 7766, 8056, 11077, 13414, 15532, 18709, 22154, 26828, 31064, 37418, 44308, 53656, 73777, 74836, 88616, 147554, 149672, 205799, 295108, 355471, 411598, 590216, 710942, 823196, 1421884, 1646392, 2843768, 3910181, 7820362, 15640724, 31281448]

約数ペア:

[(1, 31281448), (2, 15640724), (4, 7820362), (8, 3910181), (11, 2843768), (19, 1646392), (22, 1421884), (38, 823196), (44, 710942), (53, 590216), (76, 411598), (88, 355471), (106, 295108), (152, 205799), (209, 149672), (212, 147554), (353, 88616), (418, 74836), (424, 73777), (583, 53656), (706, 44308), (836, 37418), (1007, 31064), (1166, 26828), (1412, 22154), (1672, 18709), (2014, 15532), (2332, 13414), (2824, 11077), (3883, 8056), (4028, 7766), (4664, 6707)]