231311996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 442622880

約数和(自身を除く): 211310884

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 163, 164, 326, 509, 652, 697, 1018, 1394, 2036, 2771, 2788, 5542, 6683, 8653, 11084, 13366, 17306, 20869, 26732, 34612, 41738, 82967, 83476, 113611, 165934, 227222, 331868, 354773, 454444, 709546, 1410439, 1419092, 2820878, 3401647, 5641756, 6803294, 13606588, 57827999, 115655998, 231311996]

約数ペア:

[(1, 231311996), (2, 115655998), (4, 57827999), (17, 13606588), (34, 6803294), (41, 5641756), (68, 3401647), (82, 2820878), (163, 1419092), (164, 1410439), (326, 709546), (509, 454444), (652, 354773), (697, 331868), (1018, 227222), (1394, 165934), (2036, 113611), (2771, 83476), (2788, 82967), (5542, 41738), (6683, 34612), (8653, 26732), (11084, 20869), (13366, 17306)]