12156745678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{15349}}^1$

素因数の和:15545

約数の個数: 64

約数和(自身を含む): 23518656000

約数和(自身を除く): 11361910322

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 139, 154, 259, 278, 407, 518, 814, 973, 1529, 1946, 2849, 3058, 5143, 5698, 10286, 10703, 15349, 21406, 30698, 36001, 56573, 72002, 107443, 113146, 168839, 214886, 337678, 396011, 567913, 792022, 1135826, 1181873, 2133511, 2363746, 3975391, 4267022, 6247043, 7950782, 12494086, 14934577, 23468621, 29869154, 43729301, 46937242, 78939907, 87458602, 157879814, 164280347, 328560694, 552579349, 868338977, 1105158698, 1736677954, 6078372839, 12156745678]

約数ペア:

[(1, 12156745678), (2, 6078372839), (7, 1736677954), (11, 1105158698), (14, 868338977), (22, 552579349), (37, 328560694), (74, 164280347), (77, 157879814), (139, 87458602), (154, 78939907), (259, 46937242), (278, 43729301), (407, 29869154), (518, 23468621), (814, 14934577), (973, 12494086), (1529, 7950782), (1946, 6247043), (2849, 4267022), (3058, 3975391), (5143, 2363746), (5698, 2133511), (10286, 1181873), (10703, 1135826), (15349, 792022), (21406, 567913), (30698, 396011), (36001, 337678), (56573, 214886), (72002, 168839), (107443, 113146)]