291217978

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{3079}}^1$

素因数の和:3250

約数の個数: 24

約数和(自身を含む): 464698080

約数和(自身を除く): 173480102

約数列:

[1, 2, 19, 38, 131, 262, 361, 722, 2489, 3079, 4978, 6158, 47291, 58501, 94582, 117002, 403349, 806698, 1111519, 2223038, 7663631, 15327262, 145608989, 291217978]

約数ペア:

[(1, 291217978), (2, 145608989), (19, 15327262), (38, 7663631), (131, 2223038), (262, 1111519), (361, 806698), (722, 403349), (2489, 117002), (3079, 94582), (4978, 58501), (6158, 47291)]