217509424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 491218560

約数和(自身を除く): 273709136

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 139, 176, 187, 272, 278, 374, 523, 556, 748, 1046, 1112, 1496, 1529, 2092, 2224, 2363, 2992, 3058, 4184, 4726, 5753, 6116, 8368, 8891, 9452, 11506, 12232, 17782, 18904, 23012, 24464, 25993, 35564, 37808, 46024, 51986, 71128, 72697, 92048, 97801, 103972, 142256, 145394, 195602, 207944, 290788, 391204, 415888, 581576, 782408, 799667, 1163152, 1235849, 1564816, 1599334, 2471698, 3198668, 4943396, 6397336, 9886792, 12794672, 13594339, 19773584, 27188678, 54377356, 108754712, 217509424]

約数ペア:

[(1, 217509424), (2, 108754712), (4, 54377356), (8, 27188678), (11, 19773584), (16, 13594339), (17, 12794672), (22, 9886792), (34, 6397336), (44, 4943396), (68, 3198668), (88, 2471698), (136, 1599334), (139, 1564816), (176, 1235849), (187, 1163152), (272, 799667), (278, 782408), (374, 581576), (523, 415888), (556, 391204), (748, 290788), (1046, 207944), (1112, 195602), (1496, 145394), (1529, 142256), (2092, 103972), (2224, 97801), (2363, 92048), (2992, 72697), (3058, 71128), (4184, 51986), (4726, 46024), (5753, 37808), (6116, 35564), (8368, 25993), (8891, 24464), (9452, 23012), (11506, 18904), (12232, 17782)]